Home / 82,945,191.40-124,417,787.10-52,687,220.20

Finding the Fourth Proportional to 82,945,191.40, 124,417,787.10 and 52,687,220.20

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Solution

The fourth proportional to 82,945,191.40, 124,417,787.10 and 52,687,220.20 is: 79,030,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,191.40 : 124,417,787.10 = 52,687,220.20 : x
  2. Step 2: Convert to fraction form
    82,945,191.40/124,417,787.10 = 52,687,220.20/x
  3. Step 3: Cross multiply
    82,945,191.40x = 124,417,787.10 × 52,687,220.20
  4. Step 4: Simplify right side
    82,945,191.40x = 6,555,227,345,734,419
  5. Step 5: Solve for x
    x = 6,555,227,345,734,419/82,945,191.40
  6. Step 6: Final answer
    x = 79,030,830.30

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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.