Home / 218,794,298.10-328,192,003.02-89,401,908.40

Finding the Fourth Proportional to 218,794,298.10, 328,192,003.02 and 89,401,908.40

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Solution

The fourth proportional to 218,794,298.10, 328,192,003.02 and 89,401,908.40 is: 134,103,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794,298.10 : 328,192,003.02 = 89,401,908.40 : x
  2. Step 2: Convert to fraction form
    218,794,298.10/328,192,003.02 = 89,401,908.40/x
  3. Step 3: Cross multiply
    218,794,298.10x = 328,192,003.02 × 89,401,908.40
  4. Step 4: Simplify right side
    218,794,298.10x = 29,340,991,391,606,564
  5. Step 5: Solve for x
    x = 29,340,991,391,606,564/218,794,298.10
  6. Step 6: Final answer
    x = 134,103,089.73

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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.