Home / 89,279,253.84-123,218,816.97-54,492,159.30

Finding the Fourth Proportional to 89,279,253.84, 123,218,816.97 and 54,492,159.30

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Solution

The fourth proportional to 89,279,253.84, 123,218,816.97 and 54,492,159.30 is: 75,207,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279,253.84 : 123,218,816.97 = 54,492,159.30 : x
  2. Step 2: Convert to fraction form
    89,279,253.84/123,218,816.97 = 54,492,159.30/x
  3. Step 3: Cross multiply
    89,279,253.84x = 123,218,816.97 × 54,492,159.30
  4. Step 4: Simplify right side
    89,279,253.84x = 6,714,459,403,086,783
  5. Step 5: Solve for x
    x = 6,714,459,403,086,783/89,279,253.84
  6. Step 6: Final answer
    x = 75,207,387.09

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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.