Home / 220,553,380.20-330,900,929.10-147,852,251.40

Finding the Fourth Proportional to 220,553,380.20, 330,900,929.10 and 147,852,251.40

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Solution

The fourth proportional to 220,553,380.20, 330,900,929.10 and 147,852,251.40 is: 221,825,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,553,380.20 : 330,900,929.10 = 147,852,251.40 : x
  2. Step 2: Convert to fraction form
    220,553,380.20/330,900,929.10 = 147,852,251.40/x
  3. Step 3: Cross multiply
    220,553,380.20x = 330,900,929.10 × 147,852,251.40
  4. Step 4: Simplify right side
    220,553,380.20x = 48,924,447,357,786,784
  5. Step 5: Solve for x
    x = 48,924,447,357,786,784/220,553,380.20
  6. Step 6: Final answer
    x = 221,825,878.68

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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.