Home / 74,239,619.10-111,359,428.65-66,429,404.70

Finding the Fourth Proportional to 74,239,619.10, 111,359,428.65 and 66,429,404.70

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Solution

The fourth proportional to 74,239,619.10, 111,359,428.65 and 66,429,404.70 is: 99,644,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239,619.10 : 111,359,428.65 = 66,429,404.70 : x
  2. Step 2: Convert to fraction form
    74,239,619.10/111,359,428.65 = 66,429,404.70/x
  3. Step 3: Cross multiply
    74,239,619.10x = 111,359,428.65 × 66,429,404.70
  4. Step 4: Simplify right side
    74,239,619.10x = 7,397,540,552,951,625
  5. Step 5: Solve for x
    x = 7,397,540,552,951,625/74,239,619.10
  6. Step 6: Final answer
    x = 99,644,107.05

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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.