Home / 125,178,251.27-172,723,145.60-72,235,644.71

Finding the Fourth Proportional to 125,178,251.27, 172,723,145.60 and 72,235,644.71

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Solution

The fourth proportional to 125,178,251.27, 172,723,145.60 and 72,235,644.71 is: 99,672,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,178,251.27 : 172,723,145.60 = 72,235,644.71 : x
  2. Step 2: Convert to fraction form
    125,178,251.27/172,723,145.60 = 72,235,644.71/x
  3. Step 3: Cross multiply
    125,178,251.27x = 172,723,145.60 × 72,235,644.71
  4. Step 4: Simplify right side
    125,178,251.27x = 12,476,767,779,367,598
  5. Step 5: Solve for x
    x = 12,476,767,779,367,598/125,178,251.27
  6. Step 6: Final answer
    x = 99,672,008.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.