Home / 75,729,559.39-113,628,854.16-38,867,335.60

Finding the Fourth Proportional to 75,729,559.39, 113,628,854.16 and 38,867,335.60

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Solution

The fourth proportional to 75,729,559.39, 113,628,854.16 and 38,867,335.60 is: 58,318,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729,559.39 : 113,628,854.16 = 38,867,335.60 : x
  2. Step 2: Convert to fraction form
    75,729,559.39/113,628,854.16 = 38,867,335.60/x
  3. Step 3: Cross multiply
    75,729,559.39x = 113,628,854.16 × 38,867,335.60
  4. Step 4: Simplify right side
    75,729,559.39x = 4,416,450,808,023,208
  5. Step 5: Solve for x
    x = 4,416,450,808,023,208/75,729,559.39
  6. Step 6: Final answer
    x = 58,318,717.86

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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.