Home / 98,775,266.40-148,330,861.20-73,245,103.20

Finding the Fourth Proportional to 98,775,266.40, 148,330,861.20 and 73,245,103.20

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Solution

The fourth proportional to 98,775,266.40, 148,330,861.20 and 73,245,103.20 is: 109,992,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,775,266.40 : 148,330,861.20 = 73,245,103.20 : x
  2. Step 2: Convert to fraction form
    98,775,266.40/148,330,861.20 = 73,245,103.20/x
  3. Step 3: Cross multiply
    98,775,266.40x = 148,330,861.20 × 73,245,103.20
  4. Step 4: Simplify right side
    98,775,266.40x = 10,864,509,236,338,876
  5. Step 5: Solve for x
    x = 10,864,509,236,338,876/98,775,266.40
  6. Step 6: Final answer
    x = 109,992,203.84

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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.