Home / 81,256,504.64-121,859,153.72-26,656,367.04

Finding the Fourth Proportional to 81,256,504.64, 121,859,153.72 and 26,656,367.04

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Solution

The fourth proportional to 81,256,504.64, 121,859,153.72 and 26,656,367.04 is: 39,976,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,256,504.64 : 121,859,153.72 = 26,656,367.04 : x
  2. Step 2: Convert to fraction form
    81,256,504.64/121,859,153.72 = 26,656,367.04/x
  3. Step 3: Cross multiply
    81,256,504.64x = 121,859,153.72 × 26,656,367.04
  4. Step 4: Simplify right side
    81,256,504.64x = 3,248,322,328,744,101
  5. Step 5: Solve for x
    x = 3,248,322,328,744,101/81,256,504.64
  6. Step 6: Final answer
    x = 39,976,151.36

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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.