Home / 206,844,400.90-310,266,601.35-120,680,100.10

Finding the Fourth Proportional to 206,844,400.90, 310,266,601.35 and 120,680,100.10

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Solution

The fourth proportional to 206,844,400.90, 310,266,601.35 and 120,680,100.10 is: 181,020,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,844,400.90 : 310,266,601.35 = 120,680,100.10 : x
  2. Step 2: Convert to fraction form
    206,844,400.90/310,266,601.35 = 120,680,100.10/x
  3. Step 3: Cross multiply
    206,844,400.90x = 310,266,601.35 × 120,680,100.10
  4. Step 4: Simplify right side
    206,844,400.90x = 37,443,004,508,604,800
  5. Step 5: Solve for x
    x = 37,443,004,508,604,800/206,844,400.90
  6. Step 6: Final answer
    x = 181,020,150.15

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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.