Home / 89,808,218.80-134,712,328.20-80,720,577.70

Finding the Fourth Proportional to 89,808,218.80, 134,712,328.20 and 80,720,577.70

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Solution

The fourth proportional to 89,808,218.80, 134,712,328.20 and 80,720,577.70 is: 121,080,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,808,218.80 : 134,712,328.20 = 80,720,577.70 : x
  2. Step 2: Convert to fraction form
    89,808,218.80/134,712,328.20 = 80,720,577.70/x
  3. Step 3: Cross multiply
    89,808,218.80x = 134,712,328.20 × 80,720,577.70
  4. Step 4: Simplify right side
    89,808,218.80x = 10,874,056,955,616,000
  5. Step 5: Solve for x
    x = 10,874,056,955,616,000/89,808,218.80
  6. Step 6: Final answer
    x = 121,080,866.55

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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.