Home / 72,581,321.70-108,871,982.55-48,394,851.30

Finding the Fourth Proportional to 72,581,321.70, 108,871,982.55 and 48,394,851.30

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Solution

The fourth proportional to 72,581,321.70, 108,871,982.55 and 48,394,851.30 is: 72,592,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,321.70 : 108,871,982.55 = 48,394,851.30 : x
  2. Step 2: Convert to fraction form
    72,581,321.70/108,871,982.55 = 48,394,851.30/x
  3. Step 3: Cross multiply
    72,581,321.70x = 108,871,982.55 × 48,394,851.30
  4. Step 4: Simplify right side
    72,581,321.70x = 5,268,843,406,243,444
  5. Step 5: Solve for x
    x = 5,268,843,406,243,444/72,581,321.70
  6. Step 6: Final answer
    x = 72,592,276.95

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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.