Home / 133,590,003.70-200,385,005.55-79,842,291.70

Finding the Fourth Proportional to 133,590,003.70, 200,385,005.55 and 79,842,291.70

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Solution

The fourth proportional to 133,590,003.70, 200,385,005.55 and 79,842,291.70 is: 119,763,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,590,003.70 : 200,385,005.55 = 79,842,291.70 : x
  2. Step 2: Convert to fraction form
    133,590,003.70/200,385,005.55 = 79,842,291.70/x
  3. Step 3: Cross multiply
    133,590,003.70x = 200,385,005.55 × 79,842,291.70
  4. Step 4: Simplify right side
    133,590,003.70x = 15,999,198,065,429,220
  5. Step 5: Solve for x
    x = 15,999,198,065,429,220/133,590,003.70
  6. Step 6: Final answer
    x = 119,763,437.55

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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.