Home / 103,165,815.24-142,369,749.68-56,123,913.76

Finding the Fourth Proportional to 103,165,815.24, 142,369,749.68 and 56,123,913.76

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Solution

The fourth proportional to 103,165,815.24, 142,369,749.68 and 56,123,913.76 is: 77,451,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165,815.24 : 142,369,749.68 = 56,123,913.76 : x
  2. Step 2: Convert to fraction form
    103,165,815.24/142,369,749.68 = 56,123,913.76/x
  3. Step 3: Cross multiply
    103,165,815.24x = 142,369,749.68 × 56,123,913.76
  4. Step 4: Simplify right side
    103,165,815.24x = 7,990,347,553,073,108
  5. Step 5: Solve for x
    x = 7,990,347,553,073,108/103,165,815.24
  6. Step 6: Final answer
    x = 77,451,504.01

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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.