Home / 130,195,738.50-179,675,717.85-72,248,986.50

Finding the Fourth Proportional to 130,195,738.50, 179,675,717.85 and 72,248,986.50

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Solution

The fourth proportional to 130,195,738.50, 179,675,717.85 and 72,248,986.50 is: 99,706,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,195,738.50 : 179,675,717.85 = 72,248,986.50 : x
  2. Step 2: Convert to fraction form
    130,195,738.50/179,675,717.85 = 72,248,986.50/x
  3. Step 3: Cross multiply
    130,195,738.50x = 179,675,717.85 × 72,248,986.50
  4. Step 4: Simplify right side
    130,195,738.50x = 12,981,388,513,322,458
  5. Step 5: Solve for x
    x = 12,981,388,513,322,458/130,195,738.50
  6. Step 6: Final answer
    x = 99,706,708.24

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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.