Home / 122,103,206.40-168,465,680.64-73,192,788.48

Finding the Fourth Proportional to 122,103,206.40, 168,465,680.64 and 73,192,788.48

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Solution

The fourth proportional to 122,103,206.40, 168,465,680.64 and 73,192,788.48 is: 100,984,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,103,206.40 : 168,465,680.64 = 73,192,788.48 : x
  2. Step 2: Convert to fraction form
    122,103,206.40/168,465,680.64 = 73,192,788.48/x
  3. Step 3: Cross multiply
    122,103,206.40x = 168,465,680.64 × 73,192,788.48
  4. Step 4: Simplify right side
    122,103,206.40x = 12,330,472,929,222,750
  5. Step 5: Solve for x
    x = 12,330,472,929,222,750/122,103,206.40
  6. Step 6: Final answer
    x = 100,984,022.39

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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.