Home / 89,888,712.12-124,033,123.53-54,588,160.44

Finding the Fourth Proportional to 89,888,712.12, 124,033,123.53 and 54,588,160.44

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Solution

The fourth proportional to 89,888,712.12, 124,033,123.53 and 54,588,160.44 is: 75,323,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888,712.12 : 124,033,123.53 = 54,588,160.44 : x
  2. Step 2: Convert to fraction form
    89,888,712.12/124,033,123.53 = 54,588,160.44/x
  3. Step 3: Cross multiply
    89,888,712.12x = 124,033,123.53 × 54,588,160.44
  4. Step 4: Simplify right side
    89,888,712.12x = 6,770,740,047,129,979
  5. Step 5: Solve for x
    x = 6,770,740,047,129,979/89,888,712.12
  6. Step 6: Final answer
    x = 75,323,584.99

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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.