Home / 140,564,578.52-193,842,843.18-109,613,454.68

Finding the Fourth Proportional to 140,564,578.52, 193,842,843.18 and 109,613,454.68

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Solution

The fourth proportional to 140,564,578.52, 193,842,843.18 and 109,613,454.68 is: 151,160,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,564,578.52 : 193,842,843.18 = 109,613,454.68 : x
  2. Step 2: Convert to fraction form
    140,564,578.52/193,842,843.18 = 109,613,454.68/x
  3. Step 3: Cross multiply
    140,564,578.52x = 193,842,843.18 × 109,613,454.68
  4. Step 4: Simplify right side
    140,564,578.52x = 21,247,783,705,953,280
  5. Step 5: Solve for x
    x = 21,247,783,705,953,280/140,564,578.52
  6. Step 6: Final answer
    x = 151,160,298.92

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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.