Home / 92,286,015.70-138,429,023.55-77,281,446.10

Finding the Fourth Proportional to 92,286,015.70, 138,429,023.55 and 77,281,446.10

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Solution

The fourth proportional to 92,286,015.70, 138,429,023.55 and 77,281,446.10 is: 115,922,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286,015.70 : 138,429,023.55 = 77,281,446.10 : x
  2. Step 2: Convert to fraction form
    92,286,015.70/138,429,023.55 = 77,281,446.10/x
  3. Step 3: Cross multiply
    92,286,015.70x = 138,429,023.55 × 77,281,446.10
  4. Step 4: Simplify right side
    92,286,015.70x = 10,697,995,122,154,956
  5. Step 5: Solve for x
    x = 10,697,995,122,154,956/92,286,015.70
  6. Step 6: Final answer
    x = 115,922,169.15

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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.