Home / 151,097,297.28-226,176,785.28-81,838,081.92

Finding the Fourth Proportional to 151,097,297.28, 226,176,785.28 and 81,838,081.92

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Solution

The fourth proportional to 151,097,297.28, 226,176,785.28 and 81,838,081.92 is: 122,503,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,097,297.28 : 226,176,785.28 = 81,838,081.92 : x
  2. Step 2: Convert to fraction form
    151,097,297.28/226,176,785.28 = 81,838,081.92/x
  3. Step 3: Cross multiply
    151,097,297.28x = 226,176,785.28 × 81,838,081.92
  4. Step 4: Simplify right side
    151,097,297.28x = 18,509,874,282,146,892
  5. Step 5: Solve for x
    x = 18,509,874,282,146,892/151,097,297.28
  6. Step 6: Final answer
    x = 122,503,013.72

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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.