Home / 61,515,487.40-92,149,228.20-38,415,518.60

Finding the Fourth Proportional to 61,515,487.40, 92,149,228.20 and 38,415,518.60

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Solution

The fourth proportional to 61,515,487.40, 92,149,228.20 and 38,415,518.60 is: 57,545,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515,487.40 : 92,149,228.20 = 38,415,518.60 : x
  2. Step 2: Convert to fraction form
    61,515,487.40/92,149,228.20 = 38,415,518.60/x
  3. Step 3: Cross multiply
    61,515,487.40x = 92,149,228.20 × 38,415,518.60
  4. Step 4: Simplify right side
    61,515,487.40x = 3,539,960,389,892,745
  5. Step 5: Solve for x
    x = 3,539,960,389,892,745/61,515,487.40
  6. Step 6: Final answer
    x = 57,545,839.91

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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.