Home / 248,816,551.25-343,366,988.45-138,808,264.25

Finding the Fourth Proportional to 248,816,551.25, 343,366,988.45 and 138,808,264.25

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Solution

The fourth proportional to 248,816,551.25, 343,366,988.45 and 138,808,264.25 is: 191,555,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,551.25 : 343,366,988.45 = 138,808,264.25 : x
  2. Step 2: Convert to fraction form
    248,816,551.25/343,366,988.45 = 138,808,264.25/x
  3. Step 3: Cross multiply
    248,816,551.25x = 343,366,988.45 × 138,808,264.25
  4. Step 4: Simplify right side
    248,816,551.25x = 47,662,175,667,494,296
  5. Step 5: Solve for x
    x = 47,662,175,667,494,296/248,816,551.25
  6. Step 6: Final answer
    x = 191,555,487.08

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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.