Home / 103,165,835.15-142,369,777.17-56,123,933.69

Finding the Fourth Proportional to 103,165,835.15, 142,369,777.17 and 56,123,933.69

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Solution

The fourth proportional to 103,165,835.15, 142,369,777.17 and 56,123,933.69 is: 77,451,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,165,835.15 : 142,369,777.17 = 56,123,933.69 : x
  2. Step 2: Convert to fraction form
    103,165,835.15/142,369,777.17 = 56,123,933.69/x
  3. Step 3: Cross multiply
    103,165,835.15x = 142,369,777.17 × 56,123,933.69
  4. Step 4: Simplify right side
    103,165,835.15x = 7,990,351,932,637,307
  5. Step 5: Solve for x
    x = 7,990,351,932,637,307/103,165,835.15
  6. Step 6: Final answer
    x = 77,451,531.52

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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.