Home / 57,531,417.56-79,393,353.18-31,069,769.16

Finding the Fourth Proportional to 57,531,417.56, 79,393,353.18 and 31,069,769.16

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Solution

The fourth proportional to 57,531,417.56, 79,393,353.18 and 31,069,769.16 is: 42,876,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531,417.56 : 79,393,353.18 = 31,069,769.16 : x
  2. Step 2: Convert to fraction form
    57,531,417.56/79,393,353.18 = 31,069,769.16/x
  3. Step 3: Cross multiply
    57,531,417.56x = 79,393,353.18 × 31,069,769.16
  4. Step 4: Simplify right side
    57,531,417.56x = 2,466,733,156,140,952
  5. Step 5: Solve for x
    x = 2,466,733,156,140,952/57,531,417.56
  6. Step 6: Final answer
    x = 42,876,279.79

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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.