Home / 57,060,151.56-78,736,366.05-31,943,636.20

Finding the Fourth Proportional to 57,060,151.56, 78,736,366.05 and 31,943,636.20

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Solution

The fourth proportional to 57,060,151.56, 78,736,366.05 and 31,943,636.20 is: 44,078,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060,151.56 : 78,736,366.05 = 31,943,636.20 : x
  2. Step 2: Convert to fraction form
    57,060,151.56/78,736,366.05 = 31,943,636.20/x
  3. Step 3: Cross multiply
    57,060,151.56x = 78,736,366.05 × 31,943,636.20
  4. Step 4: Simplify right side
    57,060,151.56x = 2,515,125,832,614,390
  5. Step 5: Solve for x
    x = 2,515,125,832,614,390/57,060,151.56
  6. Step 6: Final answer
    x = 44,078,498.98

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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.