Home / 212,906,600.25-293,814,934.88-124,864,098.38

Finding the Fourth Proportional to 212,906,600.25, 293,814,934.88 and 124,864,098.38

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Solution

The fourth proportional to 212,906,600.25, 293,814,934.88 and 124,864,098.38 is: 172,314,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906,600.25 : 293,814,934.88 = 124,864,098.38 : x
  2. Step 2: Convert to fraction form
    212,906,600.25/293,814,934.88 = 124,864,098.38/x
  3. Step 3: Cross multiply
    212,906,600.25x = 293,814,934.88 × 124,864,098.38
  4. Step 4: Simplify right side
    212,906,600.25x = 36,686,936,933,378,024
  5. Step 5: Solve for x
    x = 36,686,936,933,378,024/212,906,600.25
  6. Step 6: Final answer
    x = 172,314,699.92

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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.