Home / 87,224,326.60-130,694,772.30-72,769,131.40

Finding the Fourth Proportional to 87,224,326.60, 130,694,772.30 and 72,769,131.40

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Solution

The fourth proportional to 87,224,326.60, 130,694,772.30 and 72,769,131.40 is: 109,035,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224,326.60 : 130,694,772.30 = 72,769,131.40 : x
  2. Step 2: Convert to fraction form
    87,224,326.60/130,694,772.30 = 72,769,131.40/x
  3. Step 3: Cross multiply
    87,224,326.60x = 130,694,772.30 × 72,769,131.40
  4. Step 4: Simplify right side
    87,224,326.60x = 9,510,545,058,791,780
  5. Step 5: Solve for x
    x = 9,510,545,058,791,780/87,224,326.60
  6. Step 6: Final answer
    x = 109,035,465.56

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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.