Home / 72,703,175.97-100,330,708.27-39,663,324.98

Finding the Fourth Proportional to 72,703,175.97, 100,330,708.27 and 39,663,324.98

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Solution

The fourth proportional to 72,703,175.97, 100,330,708.27 and 39,663,324.98 is: 54,735,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,703,175.97 : 100,330,708.27 = 39,663,324.98 : x
  2. Step 2: Convert to fraction form
    72,703,175.97/100,330,708.27 = 39,663,324.98/x
  3. Step 3: Cross multiply
    72,703,175.97x = 100,330,708.27 × 39,663,324.98
  4. Step 4: Simplify right side
    72,703,175.97x = 3,979,449,487,436,182.50
  5. Step 5: Solve for x
    x = 3,979,449,487,436,182.50/72,703,175.97
  6. Step 6: Final answer
    x = 54,735,566.01

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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.