Home / 243,714,309.12-336,325,721.60-137,865,463.04

Finding the Fourth Proportional to 243,714,309.12, 336,325,721.60 and 137,865,463.04

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Solution

The fourth proportional to 243,714,309.12, 336,325,721.60 and 137,865,463.04 is: 190,254,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714,309.12 : 336,325,721.60 = 137,865,463.04 : x
  2. Step 2: Convert to fraction form
    243,714,309.12/336,325,721.60 = 137,865,463.04/x
  3. Step 3: Cross multiply
    243,714,309.12x = 336,325,721.60 × 137,865,463.04
  4. Step 4: Simplify right side
    243,714,309.12x = 46,367,701,340,646,128
  5. Step 5: Solve for x
    x = 46,367,701,340,646,128/243,714,309.12
  6. Step 6: Final answer
    x = 190,254,324.86

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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.