Home / 75,486,074.40-113,215,822.92-20,154,596.04

Finding the Fourth Proportional to 75,486,074.40, 113,215,822.92 and 20,154,596.04

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Solution

The fourth proportional to 75,486,074.40, 113,215,822.92 and 20,154,596.04 is: 30,228,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,486,074.40 : 113,215,822.92 = 20,154,596.04 : x
  2. Step 2: Convert to fraction form
    75,486,074.40/113,215,822.92 = 20,154,596.04/x
  3. Step 3: Cross multiply
    75,486,074.40x = 113,215,822.92 × 20,154,596.04
  4. Step 4: Simplify right side
    75,486,074.40x = 2,281,819,176,288,773
  5. Step 5: Solve for x
    x = 2,281,819,176,288,773/75,486,074.40
  6. Step 6: Final answer
    x = 30,228,346.02

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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.