Home / 102,723,747.31-141,758,759.06-56,314,329.13

Finding the Fourth Proportional to 102,723,747.31, 141,758,759.06 and 56,314,329.13

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Solution

The fourth proportional to 102,723,747.31, 141,758,759.06 and 56,314,329.13 is: 77,713,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,723,747.31 : 141,758,759.06 = 56,314,329.13 : x
  2. Step 2: Convert to fraction form
    102,723,747.31/141,758,759.06 = 56,314,329.13/x
  3. Step 3: Cross multiply
    102,723,747.31x = 141,758,759.06 × 56,314,329.13
  4. Step 4: Simplify right side
    102,723,747.31x = 7,983,049,414,765,210
  5. Step 5: Solve for x
    x = 7,983,049,414,765,210/102,723,747.31
  6. Step 6: Final answer
    x = 77,713,767.50

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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.