Home / 198,052,853.40-296,795,844.90-145,829,917.80

Finding the Fourth Proportional to 198,052,853.40, 296,795,844.90 and 145,829,917.80

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Solution

The fourth proportional to 198,052,853.40, 296,795,844.90 and 145,829,917.80 is: 218,536,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,052,853.40 : 296,795,844.90 = 145,829,917.80 : x
  2. Step 2: Convert to fraction form
    198,052,853.40/296,795,844.90 = 145,829,917.80/x
  3. Step 3: Cross multiply
    198,052,853.40x = 296,795,844.90 × 145,829,917.80
  4. Step 4: Simplify right side
    198,052,853.40x = 43,281,713,665,148,552
  5. Step 5: Solve for x
    x = 43,281,713,665,148,552/198,052,853.40
  6. Step 6: Final answer
    x = 218,536,178.21

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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.