Home / 185,924,565.04-278,920,891.90-76,690,145.56

Finding the Fourth Proportional to 185,924,565.04, 278,920,891.90 and 76,690,145.56

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Solution

The fourth proportional to 185,924,565.04, 278,920,891.90 and 76,690,145.56 is: 115,049,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924,565.04 : 278,920,891.90 = 76,690,145.56 : x
  2. Step 2: Convert to fraction form
    185,924,565.04/278,920,891.90 = 76,690,145.56/x
  3. Step 3: Cross multiply
    185,924,565.04x = 278,920,891.90 × 76,690,145.56
  4. Step 4: Simplify right side
    185,924,565.04x = 21,390,483,799,536,024
  5. Step 5: Solve for x
    x = 21,390,483,799,536,024/185,924,565.04
  6. Step 6: Final answer
    x = 115,049,260.95

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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.