Home / 130,195,741-179,675,721.30-72,248,989

Finding the Fourth Proportional to 130,195,741, 179,675,721.30 and 72,248,989

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Solution

The fourth proportional to 130,195,741, 179,675,721.30 and 72,248,989 is: 99,706,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,195,741 : 179,675,721.30 = 72,248,989 : x
  2. Step 2: Convert to fraction form
    130,195,741/179,675,721.30 = 72,248,989/x
  3. Step 3: Cross multiply
    130,195,741x = 179,675,721.30 × 72,248,989
  4. Step 4: Simplify right side
    130,195,741x = 12,981,389,211,770,766
  5. Step 5: Solve for x
    x = 12,981,389,211,770,766/130,195,741
  6. Step 6: Final answer
    x = 99,706,711.69

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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.