Home / 302,456,658.69-453,765,721.19-108,387,691.52

Finding the Fourth Proportional to 302,456,658.69, 453,765,721.19 and 108,387,691.52

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Solution

The fourth proportional to 302,456,658.69, 453,765,721.19 and 108,387,691.52 is: 162,610,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,456,658.69 : 453,765,721.19 = 108,387,691.52 : x
  2. Step 2: Convert to fraction form
    302,456,658.69/453,765,721.19 = 108,387,691.52/x
  3. Step 3: Cross multiply
    302,456,658.69x = 453,765,721.19 × 108,387,691.52
  4. Step 4: Simplify right side
    302,456,658.69x = 49,182,619,007,881,280
  5. Step 5: Solve for x
    x = 49,182,619,007,881,280/302,456,658.69
  6. Step 6: Final answer
    x = 162,610,468.62

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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.