Home / 124,896,803.36-187,452,821.82-86,585,221.76

Finding the Fourth Proportional to 124,896,803.36, 187,452,821.82 and 86,585,221.76

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Solution

The fourth proportional to 124,896,803.36, 187,452,821.82 and 86,585,221.76 is: 129,952,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,896,803.36 : 187,452,821.82 = 86,585,221.76 : x
  2. Step 2: Convert to fraction form
    124,896,803.36/187,452,821.82 = 86,585,221.76/x
  3. Step 3: Cross multiply
    124,896,803.36x = 187,452,821.82 × 86,585,221.76
  4. Step 4: Simplify right side
    124,896,803.36x = 16,230,644,146,822,468
  5. Step 5: Solve for x
    x = 16,230,644,146,822,468/124,896,803.36
  6. Step 6: Final answer
    x = 129,952,438.41

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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.