Home / 103,165,833.65-142,369,775.10-56,123,932.19

Finding the Fourth Proportional to 103,165,833.65, 142,369,775.10 and 56,123,932.19

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Solution

The fourth proportional to 103,165,833.65, 142,369,775.10 and 56,123,932.19 is: 77,451,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165,833.65 : 142,369,775.10 = 56,123,932.19 : x
  2. Step 2: Convert to fraction form
    103,165,833.65/142,369,775.10 = 56,123,932.19/x
  3. Step 3: Cross multiply
    103,165,833.65x = 142,369,775.10 × 56,123,932.19
  4. Step 4: Simplify right side
    103,165,833.65x = 7,990,351,602,906,102
  5. Step 5: Solve for x
    x = 7,990,351,602,906,102/103,165,833.65
  6. Step 6: Final answer
    x = 77,451,529.45

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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.