Home / 99,259,635.90-148,889,453.85-30,172,305.90

Finding the Fourth Proportional to 99,259,635.90, 148,889,453.85 and 30,172,305.90

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Solution

The fourth proportional to 99,259,635.90, 148,889,453.85 and 30,172,305.90 is: 45,258,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259,635.90 : 148,889,453.85 = 30,172,305.90 : x
  2. Step 2: Convert to fraction form
    99,259,635.90/148,889,453.85 = 30,172,305.90/x
  3. Step 3: Cross multiply
    99,259,635.90x = 148,889,453.85 × 30,172,305.90
  4. Step 4: Simplify right side
    99,259,635.90x = 4,492,338,146,846,132.50
  5. Step 5: Solve for x
    x = 4,492,338,146,846,132.50/99,259,635.90
  6. Step 6: Final answer
    x = 45,258,458.85

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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.