Home / 103,165,812.24-142,369,745.55-56,123,910.75

Finding the Fourth Proportional to 103,165,812.24, 142,369,745.55 and 56,123,910.75

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Solution

The fourth proportional to 103,165,812.24, 142,369,745.55 and 56,123,910.75 is: 77,451,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165,812.24 : 142,369,745.55 = 56,123,910.75 : x
  2. Step 2: Convert to fraction form
    103,165,812.24/142,369,745.55 = 56,123,910.75/x
  3. Step 3: Cross multiply
    103,165,812.24x = 142,369,745.55 × 56,123,910.75
  4. Step 4: Simplify right side
    103,165,812.24x = 7,990,346,893,071,830
  5. Step 5: Solve for x
    x = 7,990,346,893,071,830/103,165,812.24
  6. Step 6: Final answer
    x = 77,451,499.87

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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.