Home / 82,888,947.20-124,200,710.40-52,542,502.40

Finding the Fourth Proportional to 82,888,947.20, 124,200,710.40 and 52,542,502.40

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Solution

The fourth proportional to 82,888,947.20, 124,200,710.40 and 52,542,502.40 is: 78,729,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,888,947.20 : 124,200,710.40 = 52,542,502.40 : x
  2. Step 2: Convert to fraction form
    82,888,947.20/124,200,710.40 = 52,542,502.40/x
  3. Step 3: Cross multiply
    82,888,947.20x = 124,200,710.40 × 52,542,502.40
  4. Step 4: Simplify right side
    82,888,947.20x = 6,525,816,124,273,705
  5. Step 5: Solve for x
    x = 6,525,816,124,273,705/82,888,947.20
  6. Step 6: Final answer
    x = 78,729,629.76

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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.