Home / 445,826,748.60-668,740,122.90-154,597,080.60

Finding the Fourth Proportional to 445,826,748.60, 668,740,122.90 and 154,597,080.60

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Solution

The fourth proportional to 445,826,748.60, 668,740,122.90 and 154,597,080.60 is: 231,895,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,826,748.60 : 668,740,122.90 = 154,597,080.60 : x
  2. Step 2: Convert to fraction form
    445,826,748.60/668,740,122.90 = 154,597,080.60/x
  3. Step 3: Cross multiply
    445,826,748.60x = 668,740,122.90 × 154,597,080.60
  4. Step 4: Simplify right side
    445,826,748.60x = 103,385,270,680,425,200
  5. Step 5: Solve for x
    x = 103,385,270,680,425,200/445,826,748.60
  6. Step 6: Final answer
    x = 231,895,620.90

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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.