Home / 196,889,242.19-271,712,632.75-108,788,916.65

Finding the Fourth Proportional to 196,889,242.19, 271,712,632.75 and 108,788,916.65

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Solution

The fourth proportional to 196,889,242.19, 271,712,632.75 and 108,788,916.65 is: 150,131,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,889,242.19 : 271,712,632.75 = 108,788,916.65 : x
  2. Step 2: Convert to fraction form
    196,889,242.19/271,712,632.75 = 108,788,916.65/x
  3. Step 3: Cross multiply
    196,889,242.19x = 271,712,632.75 × 108,788,916.65
  4. Step 4: Simplify right side
    196,889,242.19x = 29,559,322,955,361,272
  5. Step 5: Solve for x
    x = 29,559,322,955,361,272/196,889,242.19
  6. Step 6: Final answer
    x = 150,131,732.07

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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.