Home / 61,488,000.40-92,132,467.80-38,728,166.80

Finding the Fourth Proportional to 61,488,000.40, 92,132,467.80 and 38,728,166.80

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Solution

The fourth proportional to 61,488,000.40, 92,132,467.80 and 38,728,166.80 is: 58,029,559.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488,000.40 : 92,132,467.80 = 38,728,166.80 : x
  2. Step 2: Convert to fraction form
    61,488,000.40/92,132,467.80 = 38,728,166.80/x
  3. Step 3: Cross multiply
    61,488,000.40x = 92,132,467.80 × 38,728,166.80
  4. Step 4: Simplify right side
    61,488,000.40x = 3,568,121,580,654,028.50
  5. Step 5: Solve for x
    x = 3,568,121,580,654,028.50/61,488,000.40
  6. Step 6: Final answer
    x = 58,029,559.55

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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.