Home / 172,156,933-237,573,021.30-93,839,808.52

Finding the Fourth Proportional to 172,156,933, 237,573,021.30 and 93,839,808.52

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Solution

The fourth proportional to 172,156,933, 237,573,021.30 and 93,839,808.52 is: 129,497,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,156,933 : 237,573,021.30 = 93,839,808.52 : x
  2. Step 2: Convert to fraction form
    172,156,933/237,573,021.30 = 93,839,808.52/x
  3. Step 3: Cross multiply
    172,156,933x = 237,573,021.30 × 93,839,808.52
  4. Step 4: Simplify right side
    172,156,933x = 22,293,806,828,309,880
  5. Step 5: Solve for x
    x = 22,293,806,828,309,880/172,156,933
  6. Step 6: Final answer
    x = 129,497,002.76

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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.