Home / 57,156,697.74-78,876,795.72-31,051,402.44

Finding the Fourth Proportional to 57,156,697.74, 78,876,795.72 and 31,051,402.44

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Solution

The fourth proportional to 57,156,697.74, 78,876,795.72 and 31,051,402.44 is: 42,851,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,156,697.74 : 78,876,795.72 = 31,051,402.44 : x
  2. Step 2: Convert to fraction form
    57,156,697.74/78,876,795.72 = 31,051,402.44/x
  3. Step 3: Cross multiply
    57,156,697.74x = 78,876,795.72 × 31,051,402.44
  4. Step 4: Simplify right side
    57,156,697.74x = 2,449,235,127,079,389.50
  5. Step 5: Solve for x
    x = 2,449,235,127,079,389.50/57,156,697.74
  6. Step 6: Final answer
    x = 42,851,235.71

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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.