Home / 69,629,061.15-96,083,892.23-38,688,172.47

Finding the Fourth Proportional to 69,629,061.15, 96,083,892.23 and 38,688,172.47

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Solution

The fourth proportional to 69,629,061.15, 96,083,892.23 and 38,688,172.47 is: 53,387,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,629,061.15 : 96,083,892.23 = 38,688,172.47 : x
  2. Step 2: Convert to fraction form
    69,629,061.15/96,083,892.23 = 38,688,172.47/x
  3. Step 3: Cross multiply
    69,629,061.15x = 96,083,892.23 × 38,688,172.47
  4. Step 4: Simplify right side
    69,629,061.15x = 3,717,310,193,989,691.50
  5. Step 5: Solve for x
    x = 3,717,310,193,989,691.50/69,629,061.15
  6. Step 6: Final answer
    x = 53,387,337.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.