Home / 57,060,156.32-78,736,372.60-31,943,640.96

Finding the Fourth Proportional to 57,060,156.32, 78,736,372.60 and 31,943,640.96

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Solution

The fourth proportional to 57,060,156.32, 78,736,372.60 and 31,943,640.96 is: 44,078,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060,156.32 : 78,736,372.60 = 31,943,640.96 : x
  2. Step 2: Convert to fraction form
    57,060,156.32/78,736,372.60 = 31,943,640.96/x
  3. Step 3: Cross multiply
    57,060,156.32x = 78,736,372.60 × 31,943,640.96
  4. Step 4: Simplify right side
    57,060,156.32x = 2,515,126,416,827,181.50
  5. Step 5: Solve for x
    x = 2,515,126,416,827,181.50/57,060,156.32
  6. Step 6: Final answer
    x = 44,078,505.55

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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.