Home / 129,914,048.24-179,304,486.54-77,708,827.34

Finding the Fourth Proportional to 129,914,048.24, 179,304,486.54 and 77,708,827.34

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Solution

The fourth proportional to 129,914,048.24, 179,304,486.54 and 77,708,827.34 is: 107,251,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,914,048.24 : 179,304,486.54 = 77,708,827.34 : x
  2. Step 2: Convert to fraction form
    129,914,048.24/179,304,486.54 = 77,708,827.34/x
  3. Step 3: Cross multiply
    129,914,048.24x = 179,304,486.54 × 77,708,827.34
  4. Step 4: Simplify right side
    129,914,048.24x = 13,933,541,385,824,214
  5. Step 5: Solve for x
    x = 13,933,541,385,824,214/129,914,048.24
  6. Step 6: Final answer
    x = 107,251,999.11

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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.