Home / 85,063,658.10-127,595,487.15-39,630,045.30

Finding the Fourth Proportional to 85,063,658.10, 127,595,487.15 and 39,630,045.30

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Solution

The fourth proportional to 85,063,658.10, 127,595,487.15 and 39,630,045.30 is: 59,445,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,063,658.10 : 127,595,487.15 = 39,630,045.30 : x
  2. Step 2: Convert to fraction form
    85,063,658.10/127,595,487.15 = 39,630,045.30/x
  3. Step 3: Cross multiply
    85,063,658.10x = 127,595,487.15 × 39,630,045.30
  4. Step 4: Simplify right side
    85,063,658.10x = 5,056,614,935,830,068
  5. Step 5: Solve for x
    x = 5,056,614,935,830,068/85,063,658.10
  6. Step 6: Final answer
    x = 59,445,067.95

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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.