Home / 57,066,168.67-85,485,878.92-31,443,626.59

Finding the Fourth Proportional to 57,066,168.67, 85,485,878.92 and 31,443,626.59

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Solution

The fourth proportional to 57,066,168.67, 85,485,878.92 and 31,443,626.59 is: 47,102,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066,168.67 : 85,485,878.92 = 31,443,626.59 : x
  2. Step 2: Convert to fraction form
    57,066,168.67/85,485,878.92 = 31,443,626.59/x
  3. Step 3: Cross multiply
    57,066,168.67x = 85,485,878.92 × 31,443,626.59
  4. Step 4: Simplify right side
    57,066,168.67x = 2,687,986,055,478,432.50
  5. Step 5: Solve for x
    x = 2,687,986,055,478,432.50/57,066,168.67
  6. Step 6: Final answer
    x = 47,102,970.43

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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.