Home / 57,387,737.78-79,194,433.51-31,281,682.80

Finding the Fourth Proportional to 57,387,737.78, 79,194,433.51 and 31,281,682.80

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Solution

The fourth proportional to 57,387,737.78, 79,194,433.51 and 31,281,682.80 is: 43,168,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387,737.78 : 79,194,433.51 = 31,281,682.80 : x
  2. Step 2: Convert to fraction form
    57,387,737.78/79,194,433.51 = 31,281,682.80/x
  3. Step 3: Cross multiply
    57,387,737.78x = 79,194,433.51 × 31,281,682.80
  4. Step 4: Simplify right side
    57,387,737.78x = 2,477,335,148,507,306.50
  5. Step 5: Solve for x
    x = 2,477,335,148,507,306.50/57,387,737.78
  6. Step 6: Final answer
    x = 43,168,370.88

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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.