Home / 83,084,687.81-124,515,629.28-64,662,876.04

Finding the Fourth Proportional to 83,084,687.81, 124,515,629.28 and 64,662,876.04

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Solution

The fourth proportional to 83,084,687.81, 124,515,629.28 and 64,662,876.04 is: 96,907,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,084,687.81 : 124,515,629.28 = 64,662,876.04 : x
  2. Step 2: Convert to fraction form
    83,084,687.81/124,515,629.28 = 64,662,876.04/x
  3. Step 3: Cross multiply
    83,084,687.81x = 124,515,629.28 × 64,662,876.04
  4. Step 4: Simplify right side
    83,084,687.81x = 8,051,538,700,310,170
  5. Step 5: Solve for x
    x = 8,051,538,700,310,170/83,084,687.81
  6. Step 6: Final answer
    x = 96,907,612.13

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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.