Home / 91,642,038.56-126,466,483.92-50,391,591.20

Finding the Fourth Proportional to 91,642,038.56, 126,466,483.92 and 50,391,591.20

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Solution

The fourth proportional to 91,642,038.56, 126,466,483.92 and 50,391,591.20 is: 69,540,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,642,038.56 : 126,466,483.92 = 50,391,591.20 : x
  2. Step 2: Convert to fraction form
    91,642,038.56/126,466,483.92 = 50,391,591.20/x
  3. Step 3: Cross multiply
    91,642,038.56x = 126,466,483.92 × 50,391,591.20
  4. Step 4: Simplify right side
    91,642,038.56x = 6,372,847,358,198,014
  5. Step 5: Solve for x
    x = 6,372,847,358,198,014/91,642,038.56
  6. Step 6: Final answer
    x = 69,540,654.69

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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.