Home / 289,960,002.10-434,940,003.15-160,965,493.30

Finding the Fourth Proportional to 289,960,002.10, 434,940,003.15 and 160,965,493.30

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Solution

The fourth proportional to 289,960,002.10, 434,940,003.15 and 160,965,493.30 is: 241,448,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,960,002.10 : 434,940,003.15 = 160,965,493.30 : x
  2. Step 2: Convert to fraction form
    289,960,002.10/434,940,003.15 = 160,965,493.30/x
  3. Step 3: Cross multiply
    289,960,002.10x = 434,940,003.15 × 160,965,493.30
  4. Step 4: Simplify right side
    289,960,002.10x = 70,010,332,162,943,304
  5. Step 5: Solve for x
    x = 70,010,332,162,943,304/289,960,002.10
  6. Step 6: Final answer
    x = 241,448,239.95

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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.