Home / 48,390,400.80-72,375,649.20-43,309,562.40

Finding the Fourth Proportional to 48,390,400.80, 72,375,649.20 and 43,309,562.40

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Solution

The fourth proportional to 48,390,400.80, 72,375,649.20 and 43,309,562.40 is: 64,776,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,390,400.80 : 72,375,649.20 = 43,309,562.40 : x
  2. Step 2: Convert to fraction form
    48,390,400.80/72,375,649.20 = 43,309,562.40/x
  3. Step 3: Cross multiply
    48,390,400.80x = 72,375,649.20 × 43,309,562.40
  4. Step 4: Simplify right side
    48,390,400.80x = 3,134,557,695,267,910
  5. Step 5: Solve for x
    x = 3,134,557,695,267,910/48,390,400.80
  6. Step 6: Final answer
    x = 64,776,435.89

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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.