Home / 248,816,551.38-343,366,988.62-138,808,264.38

Finding the Fourth Proportional to 248,816,551.38, 343,366,988.62 and 138,808,264.38

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Solution

The fourth proportional to 248,816,551.38, 343,366,988.62 and 138,808,264.38 is: 191,555,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,551.38 : 343,366,988.62 = 138,808,264.38 : x
  2. Step 2: Convert to fraction form
    248,816,551.38/343,366,988.62 = 138,808,264.38/x
  3. Step 3: Cross multiply
    248,816,551.38x = 343,366,988.62 × 138,808,264.38
  4. Step 4: Simplify right side
    248,816,551.38x = 47,662,175,735,729,408
  5. Step 5: Solve for x
    x = 47,662,175,735,729,408/248,816,551.38
  6. Step 6: Final answer
    x = 191,555,487.25

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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.