Home / 317,047,310.20-475,570,965.30-144,860,426.20

Finding the Fourth Proportional to 317,047,310.20, 475,570,965.30 and 144,860,426.20

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Solution

The fourth proportional to 317,047,310.20, 475,570,965.30 and 144,860,426.20 is: 217,290,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,047,310.20 : 475,570,965.30 = 144,860,426.20 : x
  2. Step 2: Convert to fraction form
    317,047,310.20/475,570,965.30 = 144,860,426.20/x
  3. Step 3: Cross multiply
    317,047,310.20x = 475,570,965.30 × 144,860,426.20
  4. Step 4: Simplify right side
    317,047,310.20x = 68,891,412,721,703,408
  5. Step 5: Solve for x
    x = 68,891,412,721,703,408/317,047,310.20
  6. Step 6: Final answer
    x = 217,290,639.30

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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.