Home / 248,816,551.88-343,366,989.32-138,808,264.88

Finding the Fourth Proportional to 248,816,551.88, 343,366,989.32 and 138,808,264.88

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Solution

The fourth proportional to 248,816,551.88, 343,366,989.32 and 138,808,264.88 is: 191,555,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,816,551.88 : 343,366,989.32 = 138,808,264.88 : x
  2. Step 2: Convert to fraction form
    248,816,551.88/343,366,989.32 = 138,808,264.88/x
  3. Step 3: Cross multiply
    248,816,551.88x = 343,366,989.32 × 138,808,264.88
  4. Step 4: Simplify right side
    248,816,551.88x = 47,662,176,002,167,816
  5. Step 5: Solve for x
    x = 47,662,176,002,167,816/248,816,551.88
  6. Step 6: Final answer
    x = 191,555,487.94

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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.