Home / 88,186,006.60-132,279,009.90-78,612,195.40

Finding the Fourth Proportional to 88,186,006.60, 132,279,009.90 and 78,612,195.40

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Solution

The fourth proportional to 88,186,006.60, 132,279,009.90 and 78,612,195.40 is: 117,918,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186,006.60 : 132,279,009.90 = 78,612,195.40 : x
  2. Step 2: Convert to fraction form
    88,186,006.60/132,279,009.90 = 78,612,195.40/x
  3. Step 3: Cross multiply
    88,186,006.60x = 132,279,009.90 × 78,612,195.40
  4. Step 4: Simplify right side
    88,186,006.60x = 10,398,743,373,577,336
  5. Step 5: Solve for x
    x = 10,398,743,373,577,336/88,186,006.60
  6. Step 6: Final answer
    x = 117,918,293.10

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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.