Home / 207,267,540.80-310,901,311.20-99,536,187.20

Finding the Fourth Proportional to 207,267,540.80, 310,901,311.20 and 99,536,187.20

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Solution

The fourth proportional to 207,267,540.80, 310,901,311.20 and 99,536,187.20 is: 149,304,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,267,540.80 : 310,901,311.20 = 99,536,187.20 : x
  2. Step 2: Convert to fraction form
    207,267,540.80/310,901,311.20 = 99,536,187.20/x
  3. Step 3: Cross multiply
    207,267,540.80x = 310,901,311.20 × 99,536,187.20
  4. Step 4: Simplify right side
    207,267,540.80x = 30,945,931,112,328,656
  5. Step 5: Solve for x
    x = 30,945,931,112,328,656/207,267,540.80
  6. Step 6: Final answer
    x = 149,304,280.80

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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.