Home / 248,926,209.70-343,509,161.51-137,414,655.45

Finding the Fourth Proportional to 248,926,209.70, 343,509,161.51 and 137,414,655.45

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Solution

The fourth proportional to 248,926,209.70, 343,509,161.51 and 137,414,655.45 is: 189,627,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,926,209.70 : 343,509,161.51 = 137,414,655.45 : x
  2. Step 2: Convert to fraction form
    248,926,209.70/343,509,161.51 = 137,414,655.45/x
  3. Step 3: Cross multiply
    248,926,209.70x = 343,509,161.51 × 137,414,655.45
  4. Step 4: Simplify right side
    248,926,209.70x = 47,203,193,072,815,048
  5. Step 5: Solve for x
    x = 47,203,193,072,815,048/248,926,209.70
  6. Step 6: Final answer
    x = 189,627,251.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.