Home / 87,117,042.60-130,679,169.75-25,706,201.40

Finding the Fourth Proportional to 87,117,042.60, 130,679,169.75 and 25,706,201.40

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Solution

The fourth proportional to 87,117,042.60, 130,679,169.75 and 25,706,201.40 is: 38,560,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,117,042.60 : 130,679,169.75 = 25,706,201.40 : x
  2. Step 2: Convert to fraction form
    87,117,042.60/130,679,169.75 = 25,706,201.40/x
  3. Step 3: Cross multiply
    87,117,042.60x = 130,679,169.75 × 25,706,201.40
  4. Step 4: Simplify right side
    87,117,042.60x = 3,359,265,056,378,287.50
  5. Step 5: Solve for x
    x = 3,359,265,056,378,287.50/87,117,042.60
  6. Step 6: Final answer
    x = 38,560,366.10

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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.