Home / 57,322,327.10-85,981,088.87-18,459,918.88

Finding the Fourth Proportional to 57,322,327.10, 85,981,088.87 and 18,459,918.88

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Solution

The fourth proportional to 57,322,327.10, 85,981,088.87 and 18,459,918.88 is: 27,689,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,322,327.10 : 85,981,088.87 = 18,459,918.88 : x
  2. Step 2: Convert to fraction form
    57,322,327.10/85,981,088.87 = 18,459,918.88/x
  3. Step 3: Cross multiply
    57,322,327.10x = 85,981,088.87 × 18,459,918.88
  4. Step 4: Simplify right side
    57,322,327.10x = 1,587,203,925,447,018.50
  5. Step 5: Solve for x
    x = 1,587,203,925,447,018.50/57,322,327.10
  6. Step 6: Final answer
    x = 27,689,104.85

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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.