Home / 137,397,630.80-206,096,446.20-69,373,182.80

Finding the Fourth Proportional to 137,397,630.80, 206,096,446.20 and 69,373,182.80

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Solution

The fourth proportional to 137,397,630.80, 206,096,446.20 and 69,373,182.80 is: 104,059,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,397,630.80 : 206,096,446.20 = 69,373,182.80 : x
  2. Step 2: Convert to fraction form
    137,397,630.80/206,096,446.20 = 69,373,182.80/x
  3. Step 3: Cross multiply
    137,397,630.80x = 206,096,446.20 × 69,373,182.80
  4. Step 4: Simplify right side
    137,397,630.80x = 14,297,566,436,662,964
  5. Step 5: Solve for x
    x = 14,297,566,436,662,964/137,397,630.80
  6. Step 6: Final answer
    x = 104,059,774.20

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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.