Home / 72,834,173.97-100,509,987.07-39,793,714.26

Finding the Fourth Proportional to 72,834,173.97, 100,509,987.07 and 39,793,714.26

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Solution

The fourth proportional to 72,834,173.97, 100,509,987.07 and 39,793,714.26 is: 54,914,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834,173.97 : 100,509,987.07 = 39,793,714.26 : x
  2. Step 2: Convert to fraction form
    72,834,173.97/100,509,987.07 = 39,793,714.26/x
  3. Step 3: Cross multiply
    72,834,173.97x = 100,509,987.07 × 39,793,714.26
  4. Step 4: Simplify right side
    72,834,173.97x = 3,999,665,705,412,704.50
  5. Step 5: Solve for x
    x = 3,999,665,705,412,704.50/72,834,173.97
  6. Step 6: Final answer
    x = 54,914,684.79

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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.