Home / 324,787,521.96-448,206,300.72-176,108,372.88

Finding the Fourth Proportional to 324,787,521.96, 448,206,300.72 and 176,108,372.88

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Solution

The fourth proportional to 324,787,521.96, 448,206,300.72 and 176,108,372.88 is: 243,029,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,787,521.96 : 448,206,300.72 = 176,108,372.88 : x
  2. Step 2: Convert to fraction form
    324,787,521.96/448,206,300.72 = 176,108,372.88/x
  3. Step 3: Cross multiply
    324,787,521.96x = 448,206,300.72 × 176,108,372.88
  4. Step 4: Simplify right side
    324,787,521.96x = 78,932,882,334,363,168
  5. Step 5: Solve for x
    x = 78,932,882,334,363,168/324,787,521.96
  6. Step 6: Final answer
    x = 243,029,294.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.