Home / 87,132,290.40-130,726,429.20-58,410,856.80

Finding the Fourth Proportional to 87,132,290.40, 130,726,429.20 and 58,410,856.80

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Solution

The fourth proportional to 87,132,290.40, 130,726,429.20 and 58,410,856.80 is: 87,635,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132,290.40 : 130,726,429.20 = 58,410,856.80 : x
  2. Step 2: Convert to fraction form
    87,132,290.40/130,726,429.20 = 58,410,856.80/x
  3. Step 3: Cross multiply
    87,132,290.40x = 130,726,429.20 × 58,410,856.80
  4. Step 4: Simplify right side
    87,132,290.40x = 7,635,842,735,976,538
  5. Step 5: Solve for x
    x = 7,635,842,735,976,538/87,132,290.40
  6. Step 6: Final answer
    x = 87,635,051.26

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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.