Home / 112,327,230.60-168,490,845.90-73,360,139.40

Finding the Fourth Proportional to 112,327,230.60, 168,490,845.90 and 73,360,139.40

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Solution

The fourth proportional to 112,327,230.60, 168,490,845.90 and 73,360,139.40 is: 110,040,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,230.60 : 168,490,845.90 = 73,360,139.40 : x
  2. Step 2: Convert to fraction form
    112,327,230.60/168,490,845.90 = 73,360,139.40/x
  3. Step 3: Cross multiply
    112,327,230.60x = 168,490,845.90 × 73,360,139.40
  4. Step 4: Simplify right side
    112,327,230.60x = 12,360,511,942,847,920
  5. Step 5: Solve for x
    x = 12,360,511,942,847,920/112,327,230.60
  6. Step 6: Final answer
    x = 110,040,209.10

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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.