Home / 317,046,979.20-475,570,468.80-144,860,095.20

Finding the Fourth Proportional to 317,046,979.20, 475,570,468.80 and 144,860,095.20

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Solution

The fourth proportional to 317,046,979.20, 475,570,468.80 and 144,860,095.20 is: 217,290,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,046,979.20 : 475,570,468.80 = 144,860,095.20 : x
  2. Step 2: Convert to fraction form
    317,046,979.20/475,570,468.80 = 144,860,095.20/x
  3. Step 3: Cross multiply
    317,046,979.20x = 475,570,468.80 × 144,860,095.20
  4. Step 4: Simplify right side
    317,046,979.20x = 68,891,183,384,676,624
  5. Step 5: Solve for x
    x = 68,891,183,384,676,624/317,046,979.20
  6. Step 6: Final answer
    x = 217,290,142.80

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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.