Home / 445,232,335.50-667,894,266.21-154,098,982.98

Finding the Fourth Proportional to 445,232,335.50, 667,894,266.21 and 154,098,982.98

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Solution

The fourth proportional to 445,232,335.50, 667,894,266.21 and 154,098,982.98 is: 231,164,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,232,335.50 : 667,894,266.21 = 154,098,982.98 : x
  2. Step 2: Convert to fraction form
    445,232,335.50/667,894,266.21 = 154,098,982.98/x
  3. Step 3: Cross multiply
    445,232,335.50x = 667,894,266.21 × 154,098,982.98
  4. Step 4: Simplify right side
    445,232,335.50x = 102,921,827,161,134,384
  5. Step 5: Solve for x
    x = 102,921,827,161,134,384/445,232,335.50
  6. Step 6: Final answer
    x = 231,164,313.45

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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.