Home / 89,959,610.72-124,152,584.28-54,669,271.12

Finding the Fourth Proportional to 89,959,610.72, 124,152,584.28 and 54,669,271.12

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Solution

The fourth proportional to 89,959,610.72, 124,152,584.28 and 54,669,271.12 is: 75,448,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959,610.72 : 124,152,584.28 = 54,669,271.12 : x
  2. Step 2: Convert to fraction form
    89,959,610.72/124,152,584.28 = 54,669,271.12/x
  3. Step 3: Cross multiply
    89,959,610.72x = 124,152,584.28 × 54,669,271.12
  4. Step 4: Simplify right side
    89,959,610.72x = 6,787,331,290,251,970
  5. Step 5: Solve for x
    x = 6,787,331,290,251,970/89,959,610.72
  6. Step 6: Final answer
    x = 75,448,651.19

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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.