Home / 134,567,447.72-185,703,049.17-72,687,786.89

Finding the Fourth Proportional to 134,567,447.72, 185,703,049.17 and 72,687,786.89

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Solution

The fourth proportional to 134,567,447.72, 185,703,049.17 and 72,687,786.89 is: 100,309,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,567,447.72 : 185,703,049.17 = 72,687,786.89 : x
  2. Step 2: Convert to fraction form
    134,567,447.72/185,703,049.17 = 72,687,786.89/x
  3. Step 3: Cross multiply
    134,567,447.72x = 185,703,049.17 × 72,687,786.89
  4. Step 4: Simplify right side
    134,567,447.72x = 13,498,343,662,892,150
  5. Step 5: Solve for x
    x = 13,498,343,662,892,150/134,567,447.72
  6. Step 6: Final answer
    x = 100,309,130.41

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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.