Home / 89,910,403.60-134,865,605.40-80,336,592.40

Finding the Fourth Proportional to 89,910,403.60, 134,865,605.40 and 80,336,592.40

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Solution

The fourth proportional to 89,910,403.60, 134,865,605.40 and 80,336,592.40 is: 120,504,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,910,403.60 : 134,865,605.40 = 80,336,592.40 : x
  2. Step 2: Convert to fraction form
    89,910,403.60/134,865,605.40 = 80,336,592.40/x
  3. Step 3: Cross multiply
    89,910,403.60x = 134,865,605.40 × 80,336,592.40
  4. Step 4: Simplify right side
    89,910,403.60x = 10,834,643,169,799,040
  5. Step 5: Solve for x
    x = 10,834,643,169,799,040/89,910,403.60
  6. Step 6: Final answer
    x = 120,504,888.60

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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.