Home / 48,730,639.60-67,278,860.94-31,357,177.96

Finding the Fourth Proportional to 48,730,639.60, 67,278,860.94 and 31,357,177.96

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Solution

The fourth proportional to 48,730,639.60, 67,278,860.94 and 31,357,177.96 is: 43,292,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,730,639.60 : 67,278,860.94 = 31,357,177.96 : x
  2. Step 2: Convert to fraction form
    48,730,639.60/67,278,860.94 = 31,357,177.96/x
  3. Step 3: Cross multiply
    48,730,639.60x = 67,278,860.94 × 31,357,177.96
  4. Step 4: Simplify right side
    48,730,639.60x = 2,109,675,215,441,672.75
  5. Step 5: Solve for x
    x = 2,109,675,215,441,672.75/48,730,639.60
  6. Step 6: Final answer
    x = 43,292,582.10

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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.