Home / 89,644,412.13-134,364,617.01-54,552,128.96

Finding the Fourth Proportional to 89,644,412.13, 134,364,617.01 and 54,552,128.96

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Solution

The fourth proportional to 89,644,412.13, 134,364,617.01 and 54,552,128.96 is: 81,766,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644,412.13 : 134,364,617.01 = 54,552,128.96 : x
  2. Step 2: Convert to fraction form
    89,644,412.13/134,364,617.01 = 54,552,128.96/x
  3. Step 3: Cross multiply
    89,644,412.13x = 134,364,617.01 × 54,552,128.96
  4. Step 4: Simplify right side
    89,644,412.13x = 7,329,875,914,790,529
  5. Step 5: Solve for x
    x = 7,329,875,914,790,529/89,644,412.13
  6. Step 6: Final answer
    x = 81,766,121.73

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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.