Home / 83,693,991.60-125,541,388.32-25,402,175.88

Finding the Fourth Proportional to 83,693,991.60, 125,541,388.32 and 25,402,175.88

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Solution

The fourth proportional to 83,693,991.60, 125,541,388.32 and 25,402,175.88 is: 38,103,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,693,991.60 : 125,541,388.32 = 25,402,175.88 : x
  2. Step 2: Convert to fraction form
    83,693,991.60/125,541,388.32 = 25,402,175.88/x
  3. Step 3: Cross multiply
    83,693,991.60x = 125,541,388.32 × 25,402,175.88
  4. Step 4: Simplify right side
    83,693,991.60x = 3,189,024,426,324,017.50
  5. Step 5: Solve for x
    x = 3,189,024,426,324,017.50/83,693,991.60
  6. Step 6: Final answer
    x = 38,103,385.50

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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.