Home / 72,560,275.95-100,129,400.72-45,057,614.19

Finding the Fourth Proportional to 72,560,275.95, 100,129,400.72 and 45,057,614.19

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Solution

The fourth proportional to 72,560,275.95, 100,129,400.72 and 45,057,614.19 is: 62,177,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,275.95 : 100,129,400.72 = 45,057,614.19 : x
  2. Step 2: Convert to fraction form
    72,560,275.95/100,129,400.72 = 45,057,614.19/x
  3. Step 3: Cross multiply
    72,560,275.95x = 100,129,400.72 × 45,057,614.19
  4. Step 4: Simplify right side
    72,560,275.95x = 4,511,591,906,492,380
  5. Step 5: Solve for x
    x = 4,511,591,906,492,380/72,560,275.95
  6. Step 6: Final answer
    x = 62,177,160.26

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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.