Home / 38,643,755.20-57,965,632.80-36,754,187.20

Finding the Fourth Proportional to 38,643,755.20, 57,965,632.80 and 36,754,187.20

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Solution

The fourth proportional to 38,643,755.20, 57,965,632.80 and 36,754,187.20 is: 55,131,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643,755.20 : 57,965,632.80 = 36,754,187.20 : x
  2. Step 2: Convert to fraction form
    38,643,755.20/57,965,632.80 = 36,754,187.20/x
  3. Step 3: Cross multiply
    38,643,755.20x = 57,965,632.80 × 36,754,187.20
  4. Step 4: Simplify right side
    38,643,755.20x = 2,130,479,719,097,660.25
  5. Step 5: Solve for x
    x = 2,130,479,719,097,660.25/38,643,755.20
  6. Step 6: Final answer
    x = 55,131,280.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.