Home / 82,862,821.20-124,294,231.80-52,704,382.80

Finding the Fourth Proportional to 82,862,821.20, 124,294,231.80 and 52,704,382.80

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Solution

The fourth proportional to 82,862,821.20, 124,294,231.80 and 52,704,382.80 is: 79,056,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,862,821.20 : 124,294,231.80 = 52,704,382.80 : x
  2. Step 2: Convert to fraction form
    82,862,821.20/124,294,231.80 = 52,704,382.80/x
  3. Step 3: Cross multiply
    82,862,821.20x = 124,294,231.80 × 52,704,382.80
  4. Step 4: Simplify right side
    82,862,821.20x = 6,550,850,772,619,133
  5. Step 5: Solve for x
    x = 6,550,850,772,619,133/82,862,821.20
  6. Step 6: Final answer
    x = 79,056,574.20

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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.