Home / 82,321,232.76-113,610,278.76-45,663,613.56

Finding the Fourth Proportional to 82,321,232.76, 113,610,278.76 and 45,663,613.56

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Solution

The fourth proportional to 82,321,232.76, 113,610,278.76 and 45,663,613.56 is: 63,019,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,321,232.76 : 113,610,278.76 = 45,663,613.56 : x
  2. Step 2: Convert to fraction form
    82,321,232.76/113,610,278.76 = 45,663,613.56/x
  3. Step 3: Cross multiply
    82,321,232.76x = 113,610,278.76 × 45,663,613.56
  4. Step 4: Simplify right side
    82,321,232.76x = 5,187,855,865,740,517
  5. Step 5: Solve for x
    x = 5,187,855,865,740,517/82,321,232.76
  6. Step 6: Final answer
    x = 63,019,657.16

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1.5x scale

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.