Home / 77,231,569.70-115,847,354.55-40,825,892.90

Finding the Fourth Proportional to 77,231,569.70, 115,847,354.55 and 40,825,892.90

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Solution

The fourth proportional to 77,231,569.70, 115,847,354.55 and 40,825,892.90 is: 61,238,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,231,569.70 : 115,847,354.55 = 40,825,892.90 : x
  2. Step 2: Convert to fraction form
    77,231,569.70/115,847,354.55 = 40,825,892.90/x
  3. Step 3: Cross multiply
    77,231,569.70x = 115,847,354.55 × 40,825,892.90
  4. Step 4: Simplify right side
    77,231,569.70x = 4,729,571,689,606,627
  5. Step 5: Solve for x
    x = 4,729,571,689,606,627/77,231,569.70
  6. Step 6: Final answer
    x = 61,238,839.35

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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.