Home / 243,578,001.85-365,367,002.78-191,921,936.65

Finding the Fourth Proportional to 243,578,001.85, 365,367,002.78 and 191,921,936.65

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Solution

The fourth proportional to 243,578,001.85, 365,367,002.78 and 191,921,936.65 is: 287,882,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,578,001.85 : 365,367,002.78 = 191,921,936.65 : x
  2. Step 2: Convert to fraction form
    243,578,001.85/365,367,002.78 = 191,921,936.65/x
  3. Step 3: Cross multiply
    243,578,001.85x = 365,367,002.78 × 191,921,936.65
  4. Step 4: Simplify right side
    243,578,001.85x = 70,121,942,760,583,920
  5. Step 5: Solve for x
    x = 70,121,942,760,583,920/243,578,001.85
  6. Step 6: Final answer
    x = 287,882,904.98

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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.