Home / 47,908,099.80-71,862,149.70-19,140,010.20

Finding the Fourth Proportional to 47,908,099.80, 71,862,149.70 and 19,140,010.20

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Solution

The fourth proportional to 47,908,099.80, 71,862,149.70 and 19,140,010.20 is: 28,710,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908,099.80 : 71,862,149.70 = 19,140,010.20 : x
  2. Step 2: Convert to fraction form
    47,908,099.80/71,862,149.70 = 19,140,010.20/x
  3. Step 3: Cross multiply
    47,908,099.80x = 71,862,149.70 × 19,140,010.20
  4. Step 4: Simplify right side
    47,908,099.80x = 1,375,442,278,251,927
  5. Step 5: Solve for x
    x = 1,375,442,278,251,927/47,908,099.80
  6. Step 6: Final answer
    x = 28,710,015.30

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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.