Home / 206,844,397.40-310,266,596.10-120,680,096.60

Finding the Fourth Proportional to 206,844,397.40, 310,266,596.10 and 120,680,096.60

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Solution

The fourth proportional to 206,844,397.40, 310,266,596.10 and 120,680,096.60 is: 181,020,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,844,397.40 : 310,266,596.10 = 120,680,096.60 : x
  2. Step 2: Convert to fraction form
    206,844,397.40/310,266,596.10 = 120,680,096.60/x
  3. Step 3: Cross multiply
    206,844,397.40x = 310,266,596.10 × 120,680,096.60
  4. Step 4: Simplify right side
    206,844,397.40x = 37,443,002,789,101,184
  5. Step 5: Solve for x
    x = 37,443,002,789,101,184/206,844,397.40
  6. Step 6: Final answer
    x = 181,020,144.90

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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.