Home / 313,808,182.52-433,059,209.76-172,695,638

Finding the Fourth Proportional to 313,808,182.52, 433,059,209.76 and 172,695,638

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Solution

The fourth proportional to 313,808,182.52, 433,059,209.76 and 172,695,638 is: 238,322,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,808,182.52 : 433,059,209.76 = 172,695,638 : x
  2. Step 2: Convert to fraction form
    313,808,182.52/433,059,209.76 = 172,695,638/x
  3. Step 3: Cross multiply
    313,808,182.52x = 433,059,209.76 × 172,695,638
  4. Step 4: Simplify right side
    313,808,182.52x = 74,787,436,521,279,024
  5. Step 5: Solve for x
    x = 74,787,436,521,279,024/313,808,182.52
  6. Step 6: Final answer
    x = 238,322,136.54

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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.