Home / 56,931,925.72-85,397,123.13-13,801,500.94

Finding the Fourth Proportional to 56,931,925.72, 85,397,123.13 and 13,801,500.94

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Solution

The fourth proportional to 56,931,925.72, 85,397,123.13 and 13,801,500.94 is: 20,702,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931,925.72 : 85,397,123.13 = 13,801,500.94 : x
  2. Step 2: Convert to fraction form
    56,931,925.72/85,397,123.13 = 13,801,500.94/x
  3. Step 3: Cross multiply
    56,931,925.72x = 85,397,123.13 × 13,801,500.94
  4. Step 4: Simplify right side
    56,931,925.72x = 1,178,608,475,151,990.75
  5. Step 5: Solve for x
    x = 1,178,608,475,151,990.75/56,931,925.72
  6. Step 6: Final answer
    x = 20,702,065.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.