Home / 88,593,857.40-132,890,786.10-78,852,084.60

Finding the Fourth Proportional to 88,593,857.40, 132,890,786.10 and 78,852,084.60

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Solution

The fourth proportional to 88,593,857.40, 132,890,786.10 and 78,852,084.60 is: 118,278,126.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,593,857.40 : 132,890,786.10 = 78,852,084.60 : x
  2. Step 2: Convert to fraction form
    88,593,857.40/132,890,786.10 = 78,852,084.60/x
  3. Step 3: Cross multiply
    88,593,857.40x = 132,890,786.10 × 78,852,084.60
  4. Step 4: Simplify right side
    88,593,857.40x = 10,478,715,508,117,702
  5. Step 5: Solve for x
    x = 10,478,715,508,117,702/88,593,857.40
  6. Step 6: Final answer
    x = 118,278,126.90

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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.