Home / 218,794,296.86-328,192,001.15-89,401,907.15

Finding the Fourth Proportional to 218,794,296.86, 328,192,001.15 and 89,401,907.15

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Solution

The fourth proportional to 218,794,296.86, 328,192,001.15 and 89,401,907.15 is: 134,103,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794,296.86 : 328,192,001.15 = 89,401,907.15 : x
  2. Step 2: Convert to fraction form
    218,794,296.86/328,192,001.15 = 89,401,907.15/x
  3. Step 3: Cross multiply
    218,794,296.86x = 328,192,001.15 × 89,401,907.15
  4. Step 4: Simplify right side
    218,794,296.86x = 29,340,990,812,097,020
  5. Step 5: Solve for x
    x = 29,340,990,812,097,020/218,794,296.86
  6. Step 6: Final answer
    x = 134,103,087.85

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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.