Home / 61,515,480.90-92,149,218.45-38,415,512.10

Finding the Fourth Proportional to 61,515,480.90, 92,149,218.45 and 38,415,512.10

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Solution

The fourth proportional to 61,515,480.90, 92,149,218.45 and 38,415,512.10 is: 57,545,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515,480.90 : 92,149,218.45 = 38,415,512.10 : x
  2. Step 2: Convert to fraction form
    61,515,480.90/92,149,218.45 = 38,415,512.10/x
  3. Step 3: Cross multiply
    61,515,480.90x = 92,149,218.45 × 38,415,512.10
  4. Step 4: Simplify right side
    61,515,480.90x = 3,539,959,416,371,518.50
  5. Step 5: Solve for x
    x = 3,539,959,416,371,518.50/61,515,480.90
  6. Step 6: Final answer
    x = 57,545,830.16

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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.