Home / 248,725,040.16-343,241,151.36-138,723,839.04

Finding the Fourth Proportional to 248,725,040.16, 343,241,151.36 and 138,723,839.04

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Solution

The fourth proportional to 248,725,040.16, 343,241,151.36 and 138,723,839.04 is: 191,439,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,725,040.16 : 343,241,151.36 = 138,723,839.04 : x
  2. Step 2: Convert to fraction form
    248,725,040.16/343,241,151.36 = 138,723,839.04/x
  3. Step 3: Cross multiply
    248,725,040.16x = 343,241,151.36 × 138,723,839.04
  4. Step 4: Simplify right side
    248,725,040.16x = 47,615,730,233,168,920
  5. Step 5: Solve for x
    x = 47,615,730,233,168,920/248,725,040.16
  6. Step 6: Final answer
    x = 191,439,230.25

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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.