Home / 130,675,195.42-195,520,290.45-77,957,910.34

Finding the Fourth Proportional to 130,675,195.42, 195,520,290.45 and 77,957,910.34

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Solution

The fourth proportional to 130,675,195.42, 195,520,290.45 and 77,957,910.34 is: 116,643,049.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,675,195.42 : 195,520,290.45 = 77,957,910.34 : x
  2. Step 2: Convert to fraction form
    130,675,195.42/195,520,290.45 = 77,957,910.34/x
  3. Step 3: Cross multiply
    130,675,195.42x = 195,520,290.45 × 77,957,910.34
  4. Step 4: Simplify right side
    130,675,195.42x = 15,242,353,272,551,858
  5. Step 5: Solve for x
    x = 15,242,353,272,551,858/130,675,195.42
  6. Step 6: Final answer
    x = 116,643,049.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.