Home / 122,429,279.20-168,945,929.52-70,215,616.48

Finding the Fourth Proportional to 122,429,279.20, 168,945,929.52 and 70,215,616.48

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Solution

The fourth proportional to 122,429,279.20, 168,945,929.52 and 70,215,616.48 is: 96,893,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,429,279.20 : 168,945,929.52 = 70,215,616.48 : x
  2. Step 2: Convert to fraction form
    122,429,279.20/168,945,929.52 = 70,215,616.48/x
  3. Step 3: Cross multiply
    122,429,279.20x = 168,945,929.52 × 70,215,616.48
  4. Step 4: Simplify right side
    122,429,279.20x = 11,862,642,593,033,432
  5. Step 5: Solve for x
    x = 11,862,642,593,033,432/122,429,279.20
  6. Step 6: Final answer
    x = 96,893,836.76

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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.