Home / 299,486,395.32-449,238,744.71-102,747,048.78

Finding the Fourth Proportional to 299,486,395.32, 449,238,744.71 and 102,747,048.78

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Solution

The fourth proportional to 299,486,395.32, 449,238,744.71 and 102,747,048.78 is: 154,123,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,486,395.32 : 449,238,744.71 = 102,747,048.78 : x
  2. Step 2: Convert to fraction form
    299,486,395.32/449,238,744.71 = 102,747,048.78/x
  3. Step 3: Cross multiply
    299,486,395.32x = 449,238,744.71 × 102,747,048.78
  4. Step 4: Simplify right side
    299,486,395.32x = 46,157,955,216,070,600
  5. Step 5: Solve for x
    x = 46,157,955,216,070,600/299,486,395.32
  6. Step 6: Final answer
    x = 154,123,712.92

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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.