Home / 148,734,278.40-223,101,417.60-138,530,611.20

Finding the Fourth Proportional to 148,734,278.40, 223,101,417.60 and 138,530,611.20

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Solution

The fourth proportional to 148,734,278.40, 223,101,417.60 and 138,530,611.20 is: 207,795,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,278.40 : 223,101,417.60 = 138,530,611.20 : x
  2. Step 2: Convert to fraction form
    148,734,278.40/223,101,417.60 = 138,530,611.20/x
  3. Step 3: Cross multiply
    148,734,278.40x = 223,101,417.60 × 138,530,611.20
  4. Step 4: Simplify right side
    148,734,278.40x = 30,906,375,739,714,432
  5. Step 5: Solve for x
    x = 30,906,375,739,714,432/148,734,278.40
  6. Step 6: Final answer
    x = 207,795,916.80

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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.