Home / 206,844,364.65-310,266,546.98-120,680,063.85

Finding the Fourth Proportional to 206,844,364.65, 310,266,546.98 and 120,680,063.85

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Solution

The fourth proportional to 206,844,364.65, 310,266,546.98 and 120,680,063.85 is: 181,020,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,844,364.65 : 310,266,546.98 = 120,680,063.85 : x
  2. Step 2: Convert to fraction form
    206,844,364.65/310,266,546.98 = 120,680,063.85/x
  3. Step 3: Cross multiply
    206,844,364.65x = 310,266,546.98 × 120,680,063.85
  4. Step 4: Simplify right side
    206,844,364.65x = 37,442,986,699,462,024
  5. Step 5: Solve for x
    x = 37,442,986,699,462,024/206,844,364.65
  6. Step 6: Final answer
    x = 181,020,095.78

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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.