Home / 136,395,822.79-204,723,080.76-84,423,213.04

Finding the Fourth Proportional to 136,395,822.79, 204,723,080.76 and 84,423,213.04

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Solution

The fourth proportional to 136,395,822.79, 204,723,080.76 and 84,423,213.04 is: 126,714,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,395,822.79 : 204,723,080.76 = 84,423,213.04 : x
  2. Step 2: Convert to fraction form
    136,395,822.79/204,723,080.76 = 84,423,213.04/x
  3. Step 3: Cross multiply
    136,395,822.79x = 204,723,080.76 × 84,423,213.04
  4. Step 4: Simplify right side
    136,395,822.79x = 17,283,380,261,206,606
  5. Step 5: Solve for x
    x = 17,283,380,261,206,606/136,395,822.79
  6. Step 6: Final answer
    x = 126,714,879.59

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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.