Home / 171,072,001.30-256,608,001.95-138,823,374.10

Finding the Fourth Proportional to 171,072,001.30, 256,608,001.95 and 138,823,374.10

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Solution

The fourth proportional to 171,072,001.30, 256,608,001.95 and 138,823,374.10 is: 208,235,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,001.30 : 256,608,001.95 = 138,823,374.10 : x
  2. Step 2: Convert to fraction form
    171,072,001.30/256,608,001.95 = 138,823,374.10/x
  3. Step 3: Cross multiply
    171,072,001.30x = 256,608,001.95 × 138,823,374.10
  4. Step 4: Simplify right side
    171,072,001.30x = 35,623,188,651,758,376
  5. Step 5: Solve for x
    x = 35,623,188,651,758,376/171,072,001.30
  6. Step 6: Final answer
    x = 208,235,061.15

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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.