Home / 48,740,381.28-67,292,309.04-31,366,919.52

Finding the Fourth Proportional to 48,740,381.28, 67,292,309.04 and 31,366,919.52

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Solution

The fourth proportional to 48,740,381.28, 67,292,309.04 and 31,366,919.52 is: 43,306,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740,381.28 : 67,292,309.04 = 31,366,919.52 : x
  2. Step 2: Convert to fraction form
    48,740,381.28/67,292,309.04 = 31,366,919.52/x
  3. Step 3: Cross multiply
    48,740,381.28x = 67,292,309.04 × 31,366,919.52
  4. Step 4: Simplify right side
    48,740,381.28x = 2,110,752,441,972,648.75
  5. Step 5: Solve for x
    x = 2,110,752,441,972,648.75/48,740,381.28
  6. Step 6: Final answer
    x = 43,306,030.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.