Home / 418,119,060.38-627,044,319.56-137,936,992.82

Finding the Fourth Proportional to 418,119,060.38, 627,044,319.56 and 137,936,992.82

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Solution

The fourth proportional to 418,119,060.38, 627,044,319.56 and 137,936,992.82 is: 206,861,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,119,060.38 : 627,044,319.56 = 137,936,992.82 : x
  2. Step 2: Convert to fraction form
    418,119,060.38/627,044,319.56 = 137,936,992.82/x
  3. Step 3: Cross multiply
    418,119,060.38x = 627,044,319.56 × 137,936,992.82
  4. Step 4: Simplify right side
    418,119,060.38x = 86,492,607,804,969,488
  5. Step 5: Solve for x
    x = 86,492,607,804,969,488/418,119,060.38
  6. Step 6: Final answer
    x = 206,861,193.38

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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.