Home / 89,279,255.64-123,218,819.60-54,492,161.16

Finding the Fourth Proportional to 89,279,255.64, 123,218,819.60 and 54,492,161.16

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Solution

The fourth proportional to 89,279,255.64, 123,218,819.60 and 54,492,161.16 is: 75,207,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279,255.64 : 123,218,819.60 = 54,492,161.16 : x
  2. Step 2: Convert to fraction form
    89,279,255.64/123,218,819.60 = 54,492,161.16/x
  3. Step 3: Cross multiply
    89,279,255.64x = 123,218,819.60 × 54,492,161.16
  4. Step 4: Simplify right side
    89,279,255.64x = 6,714,459,775,315,705
  5. Step 5: Solve for x
    x = 6,714,459,775,315,705/89,279,255.64
  6. Step 6: Final answer
    x = 75,207,389.75

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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.