Home / 89,279,254.84-123,218,818.35-54,492,160.30

Finding the Fourth Proportional to 89,279,254.84, 123,218,818.35 and 54,492,160.30

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Solution

The fourth proportional to 89,279,254.84, 123,218,818.35 and 54,492,160.30 is: 75,207,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279,254.84 : 123,218,818.35 = 54,492,160.30 : x
  2. Step 2: Convert to fraction form
    89,279,254.84/123,218,818.35 = 54,492,160.30/x
  3. Step 3: Cross multiply
    89,279,254.84x = 123,218,818.35 × 54,492,160.30
  4. Step 4: Simplify right side
    89,279,254.84x = 6,714,459,601,504,781
  5. Step 5: Solve for x
    x = 6,714,459,601,504,781/89,279,254.84
  6. Step 6: Final answer
    x = 75,207,388.47

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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.