Home / 145,073,213.70-217,609,820.55-101,991,063.30

Finding the Fourth Proportional to 145,073,213.70, 217,609,820.55 and 101,991,063.30

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Solution

The fourth proportional to 145,073,213.70, 217,609,820.55 and 101,991,063.30 is: 152,986,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,073,213.70 : 217,609,820.55 = 101,991,063.30 : x
  2. Step 2: Convert to fraction form
    145,073,213.70/217,609,820.55 = 101,991,063.30/x
  3. Step 3: Cross multiply
    145,073,213.70x = 217,609,820.55 × 101,991,063.30
  4. Step 4: Simplify right side
    145,073,213.70x = 22,194,256,982,416,692
  5. Step 5: Solve for x
    x = 22,194,256,982,416,692/145,073,213.70
  6. Step 6: Final answer
    x = 152,986,594.95

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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.