Home / 218,794,302.11-328,192,009.02-89,401,912.40

Finding the Fourth Proportional to 218,794,302.11, 328,192,009.02 and 89,401,912.40

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Solution

The fourth proportional to 218,794,302.11, 328,192,009.02 and 89,401,912.40 is: 134,103,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794,302.11 : 328,192,009.02 = 89,401,912.40 : x
  2. Step 2: Convert to fraction form
    218,794,302.11/328,192,009.02 = 89,401,912.40/x
  3. Step 3: Cross multiply
    218,794,302.11x = 328,192,009.02 × 89,401,912.40
  4. Step 4: Simplify right side
    218,794,302.11x = 29,340,993,240,786,052
  5. Step 5: Solve for x
    x = 29,340,993,240,786,052/218,794,302.11
  6. Step 6: Final answer
    x = 134,103,095.73

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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.