Home / 82,554,328.80-123,831,493.20-55,344,549.60

Finding the Fourth Proportional to 82,554,328.80, 123,831,493.20 and 55,344,549.60

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Solution

The fourth proportional to 82,554,328.80, 123,831,493.20 and 55,344,549.60 is: 83,016,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,554,328.80 : 123,831,493.20 = 55,344,549.60 : x
  2. Step 2: Convert to fraction form
    82,554,328.80/123,831,493.20 = 55,344,549.60/x
  3. Step 3: Cross multiply
    82,554,328.80x = 123,831,493.20 × 55,344,549.60
  4. Step 4: Simplify right side
    82,554,328.80x = 6,853,398,217,449,463
  5. Step 5: Solve for x
    x = 6,853,398,217,449,463/82,554,328.80
  6. Step 6: Final answer
    x = 83,016,824.40

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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.