Home / 327,550,019.40-491,325,029.10-155,363,135.40

Finding the Fourth Proportional to 327,550,019.40, 491,325,029.10 and 155,363,135.40

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Solution

The fourth proportional to 327,550,019.40, 491,325,029.10 and 155,363,135.40 is: 233,044,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,550,019.40 : 491,325,029.10 = 155,363,135.40 : x
  2. Step 2: Convert to fraction form
    327,550,019.40/491,325,029.10 = 155,363,135.40/x
  3. Step 3: Cross multiply
    327,550,019.40x = 491,325,029.10 × 155,363,135.40
  4. Step 4: Simplify right side
    327,550,019.40x = 76,333,797,021,472,240
  5. Step 5: Solve for x
    x = 76,333,797,021,472,240/327,550,019.40
  6. Step 6: Final answer
    x = 233,044,703.10

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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.