Home / 61,156,844.20-91,872,123.90-51,079,148.20

Finding the Fourth Proportional to 61,156,844.20, 91,872,123.90 and 51,079,148.20

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Solution

The fourth proportional to 61,156,844.20, 91,872,123.90 and 51,079,148.20 is: 76,733,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,156,844.20 : 91,872,123.90 = 51,079,148.20 : x
  2. Step 2: Convert to fraction form
    61,156,844.20/91,872,123.90 = 51,079,148.20/x
  3. Step 3: Cross multiply
    61,156,844.20x = 91,872,123.90 × 51,079,148.20
  4. Step 4: Simplify right side
    61,156,844.20x = 4,692,749,832,136,863
  5. Step 5: Solve for x
    x = 4,692,749,832,136,863/61,156,844.20
  6. Step 6: Final answer
    x = 76,733,027.90

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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.