Home / 201,687,151.16-278,324,489.01-123,364,951.22

Finding the Fourth Proportional to 201,687,151.16, 278,324,489.01 and 123,364,951.22

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Solution

The fourth proportional to 201,687,151.16, 278,324,489.01 and 123,364,951.22 is: 170,241,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,687,151.16 : 278,324,489.01 = 123,364,951.22 : x
  2. Step 2: Convert to fraction form
    201,687,151.16/278,324,489.01 = 123,364,951.22/x
  3. Step 3: Cross multiply
    201,687,151.16x = 278,324,489.01 × 123,364,951.22
  4. Step 4: Simplify right side
    201,687,151.16x = 34,335,487,010,050,076
  5. Step 5: Solve for x
    x = 34,335,487,010,050,076/201,687,151.16
  6. Step 6: Final answer
    x = 170,241,320.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.