Home / 157,801,648.50-217,747,412.29-87,227,724.69

Finding the Fourth Proportional to 157,801,648.50, 217,747,412.29 and 87,227,724.69

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Solution

The fourth proportional to 157,801,648.50, 217,747,412.29 and 87,227,724.69 is: 120,363,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,801,648.50 : 217,747,412.29 = 87,227,724.69 : x
  2. Step 2: Convert to fraction form
    157,801,648.50/217,747,412.29 = 87,227,724.69/x
  3. Step 3: Cross multiply
    157,801,648.50x = 217,747,412.29 × 87,227,724.69
  4. Step 4: Simplify right side
    157,801,648.50x = 18,993,611,330,103,304
  5. Step 5: Solve for x
    x = 18,993,611,330,103,304/157,801,648.50
  6. Step 6: Final answer
    x = 120,363,833.40

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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.