Home / 57,105,167.40-85,657,751.10-30,231,311.40

Finding the Fourth Proportional to 57,105,167.40, 85,657,751.10 and 30,231,311.40

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Solution

The fourth proportional to 57,105,167.40, 85,657,751.10 and 30,231,311.40 is: 45,346,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,105,167.40 : 85,657,751.10 = 30,231,311.40 : x
  2. Step 2: Convert to fraction form
    57,105,167.40/85,657,751.10 = 30,231,311.40/x
  3. Step 3: Cross multiply
    57,105,167.40x = 85,657,751.10 × 30,231,311.40
  4. Step 4: Simplify right side
    57,105,167.40x = 2,589,546,147,327,792
  5. Step 5: Solve for x
    x = 2,589,546,147,327,792/57,105,167.40
  6. Step 6: Final answer
    x = 45,346,967.10

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1.5x scale

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.