Home / 137,990,515.80-206,985,773.70-117,472,956.60

Finding the Fourth Proportional to 137,990,515.80, 206,985,773.70 and 117,472,956.60

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Solution

The fourth proportional to 137,990,515.80, 206,985,773.70 and 117,472,956.60 is: 176,209,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,990,515.80 : 206,985,773.70 = 117,472,956.60 : x
  2. Step 2: Convert to fraction form
    137,990,515.80/206,985,773.70 = 117,472,956.60/x
  3. Step 3: Cross multiply
    137,990,515.80x = 206,985,773.70 × 117,472,956.60
  4. Step 4: Simplify right side
    137,990,515.80x = 24,315,230,810,677,520
  5. Step 5: Solve for x
    x = 24,315,230,810,677,520/137,990,515.80
  6. Step 6: Final answer
    x = 176,209,434.90

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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.