Home / 98,954,991.12-136,553,261.22-54,901,521.12

Finding the Fourth Proportional to 98,954,991.12, 136,553,261.22 and 54,901,521.12

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Solution

The fourth proportional to 98,954,991.12, 136,553,261.22 and 54,901,521.12 is: 75,761,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,954,991.12 : 136,553,261.22 = 54,901,521.12 : x
  2. Step 2: Convert to fraction form
    98,954,991.12/136,553,261.22 = 54,901,521.12/x
  3. Step 3: Cross multiply
    98,954,991.12x = 136,553,261.22 × 54,901,521.12
  4. Step 4: Simplify right side
    98,954,991.12x = 7,496,981,754,874,707
  5. Step 5: Solve for x
    x = 7,496,981,754,874,707/98,954,991.12
  6. Step 6: Final answer
    x = 75,761,532.29

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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.