Home / 72,581,254.20-108,745,910.10-47,009,100.60

Finding the Fourth Proportional to 72,581,254.20, 108,745,910.10 and 47,009,100.60

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Solution

The fourth proportional to 72,581,254.20, 108,745,910.10 and 47,009,100.60 is: 70,432,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,254.20 : 108,745,910.10 = 47,009,100.60 : x
  2. Step 2: Convert to fraction form
    72,581,254.20/108,745,910.10 = 47,009,100.60/x
  3. Step 3: Cross multiply
    72,581,254.20x = 108,745,910.10 × 47,009,100.60
  4. Step 4: Simplify right side
    72,581,254.20x = 5,112,047,427,729,456
  5. Step 5: Solve for x
    x = 5,112,047,427,729,456/72,581,254.20
  6. Step 6: Final answer
    x = 70,432,062.44

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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.