Home / 87,168,436.20-130,516,724.70-68,294,068.20

Finding the Fourth Proportional to 87,168,436.20, 130,516,724.70 and 68,294,068.20

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Solution

The fourth proportional to 87,168,436.20, 130,516,724.70 and 68,294,068.20 is: 102,256,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168,436.20 : 130,516,724.70 = 68,294,068.20 : x
  2. Step 2: Convert to fraction form
    87,168,436.20/130,516,724.70 = 68,294,068.20/x
  3. Step 3: Cross multiply
    87,168,436.20x = 130,516,724.70 × 68,294,068.20
  4. Step 4: Simplify right side
    87,168,436.20x = 8,913,518,097,902,425
  5. Step 5: Solve for x
    x = 8,913,518,097,902,425/87,168,436.20
  6. Step 6: Final answer
    x = 102,256,257.96

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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.