Home / 133,272,003.70-199,908,005.55-42,404,778.10

Finding the Fourth Proportional to 133,272,003.70, 199,908,005.55 and 42,404,778.10

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Solution

The fourth proportional to 133,272,003.70, 199,908,005.55 and 42,404,778.10 is: 63,607,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,272,003.70 : 199,908,005.55 = 42,404,778.10 : x
  2. Step 2: Convert to fraction form
    133,272,003.70/199,908,005.55 = 42,404,778.10/x
  3. Step 3: Cross multiply
    133,272,003.70x = 199,908,005.55 × 42,404,778.10
  4. Step 4: Simplify right side
    133,272,003.70x = 8,477,054,615,761,319
  5. Step 5: Solve for x
    x = 8,477,054,615,761,319/133,272,003.70
  6. Step 6: Final answer
    x = 63,607,167.15

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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.