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Finding the Fourth Proportional to 176,925,787.20, 265,388,680.80 and 159,707,098.80

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Solution

The fourth proportional to 176,925,787.20, 265,388,680.80 and 159,707,098.80 is: 239,560,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,925,787.20 : 265,388,680.80 = 159,707,098.80 : x
  2. Step 2: Convert to fraction form
    176,925,787.20/265,388,680.80 = 159,707,098.80/x
  3. Step 3: Cross multiply
    176,925,787.20x = 265,388,680.80 × 159,707,098.80
  4. Step 4: Simplify right side
    176,925,787.20x = 42,384,456,264,927,272
  5. Step 5: Solve for x
    x = 42,384,456,264,927,272/176,925,787.20
  6. Step 6: Final answer
    x = 239,560,648.20

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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.