Home / 127,680,081.60-191,545,005.60-54,896,721.60

Finding the Fourth Proportional to 127,680,081.60, 191,545,005.60 and 54,896,721.60

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Solution

The fourth proportional to 127,680,081.60, 191,545,005.60 and 54,896,721.60 is: 82,355,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680,081.60 : 191,545,005.60 = 54,896,721.60 : x
  2. Step 2: Convert to fraction form
    127,680,081.60/191,545,005.60 = 54,896,721.60/x
  3. Step 3: Cross multiply
    127,680,081.60x = 191,545,005.60 × 54,896,721.60
  4. Step 4: Simplify right side
    127,680,081.60x = 10,515,192,846,293,640
  5. Step 5: Solve for x
    x = 10,515,192,846,293,640/127,680,081.60
  6. Step 6: Final answer
    x = 82,355,781.06

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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.