Home / 84,605,014.80-126,907,522.20-55,844,423.10

Finding the Fourth Proportional to 84,605,014.80, 126,907,522.20 and 55,844,423.10

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Solution

The fourth proportional to 84,605,014.80, 126,907,522.20 and 55,844,423.10 is: 83,766,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,605,014.80 : 126,907,522.20 = 55,844,423.10 : x
  2. Step 2: Convert to fraction form
    84,605,014.80/126,907,522.20 = 55,844,423.10/x
  3. Step 3: Cross multiply
    84,605,014.80x = 126,907,522.20 × 55,844,423.10
  4. Step 4: Simplify right side
    84,605,014.80x = 7,087,077,364,309,443
  5. Step 5: Solve for x
    x = 7,087,077,364,309,443/84,605,014.80
  6. Step 6: Final answer
    x = 83,766,634.65

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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.