Home / 78,732,131.85-118,098,197.78-24,144,283.80

Finding the Fourth Proportional to 78,732,131.85, 118,098,197.78 and 24,144,283.80

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Solution

The fourth proportional to 78,732,131.85, 118,098,197.78 and 24,144,283.80 is: 36,216,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,131.85 : 118,098,197.78 = 24,144,283.80 : x
  2. Step 2: Convert to fraction form
    78,732,131.85/118,098,197.78 = 24,144,283.80/x
  3. Step 3: Cross multiply
    78,732,131.85x = 118,098,197.78 × 24,144,283.80
  4. Step 4: Simplify right side
    78,732,131.85x = 2,851,396,403,348,129
  5. Step 5: Solve for x
    x = 2,851,396,403,348,129/78,732,131.85
  6. Step 6: Final answer
    x = 36,216,425.70

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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.