Home / 309,114,725.76-426,587,921.28-169,882,957.44

Finding the Fourth Proportional to 309,114,725.76, 426,587,921.28 and 169,882,957.44

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Solution

The fourth proportional to 309,114,725.76, 426,587,921.28 and 169,882,957.44 is: 234,443,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114,725.76 : 426,587,921.28 = 169,882,957.44 : x
  2. Step 2: Convert to fraction form
    309,114,725.76/426,587,921.28 = 169,882,957.44/x
  3. Step 3: Cross multiply
    309,114,725.76x = 426,587,921.28 × 169,882,957.44
  4. Step 4: Simplify right side
    309,114,725.76x = 72,470,017,675,228,304
  5. Step 5: Solve for x
    x = 72,470,017,675,228,304/309,114,725.76
  6. Step 6: Final answer
    x = 234,443,757.08

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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.