Home / 133,612,873,998.90-200,419,310,998.35-45,281,002,506.90

Finding the Fourth Proportional to 133,612,873,998.90, 200,419,310,998.35 and 45,281,002,506.90

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Solution

The fourth proportional to 133,612,873,998.90, 200,419,310,998.35 and 45,281,002,506.90 is: 67,921,503,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612,873,998.90 : 200,419,310,998.35 = 45,281,002,506.90 : x
  2. Step 2: Convert to fraction form
    133,612,873,998.90/200,419,310,998.35 = 45,281,002,506.90/x
  3. Step 3: Cross multiply
    133,612,873,998.90x = 200,419,310,998.35 × 45,281,002,506.90
  4. Step 4: Simplify right side
    133,612,873,998.90x = 9,075,187,323,747,457,564,672
  5. Step 5: Solve for x
    x = 9,075,187,323,747,457,564,672/133,612,873,998.90
  6. Step 6: Final answer
    x = 67,921,503,760.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.