Home / 84,399,790.36-126,598,302.10-26,891,280.28

Finding the Fourth Proportional to 84,399,790.36, 126,598,302.10 and 26,891,280.28

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Solution

The fourth proportional to 84,399,790.36, 126,598,302.10 and 26,891,280.28 is: 40,336,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,399,790.36 : 126,598,302.10 = 26,891,280.28 : x
  2. Step 2: Convert to fraction form
    84,399,790.36/126,598,302.10 = 26,891,280.28/x
  3. Step 3: Cross multiply
    84,399,790.36x = 126,598,302.10 × 26,891,280.28
  4. Step 4: Simplify right side
    84,399,790.36x = 3,404,390,424,743,212.50
  5. Step 5: Solve for x
    x = 3,404,390,424,743,212.50/84,399,790.36
  6. Step 6: Final answer
    x = 40,336,479.63

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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.