Home / 227,008,637.10-340,512,955.65-207,637,612.65

Finding the Fourth Proportional to 227,008,637.10, 340,512,955.65 and 207,637,612.65

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Solution

The fourth proportional to 227,008,637.10, 340,512,955.65 and 207,637,612.65 is: 311,456,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,008,637.10 : 340,512,955.65 = 207,637,612.65 : x
  2. Step 2: Convert to fraction form
    227,008,637.10/340,512,955.65 = 207,637,612.65/x
  3. Step 3: Cross multiply
    227,008,637.10x = 340,512,955.65 × 207,637,612.65
  4. Step 4: Simplify right side
    227,008,637.10x = 70,703,297,187,561,328
  5. Step 5: Solve for x
    x = 70,703,297,187,561,328/227,008,637.10
  6. Step 6: Final answer
    x = 311,456,418.98

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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.