Home / 80,797,959.20-121,212,685.20-34,739,739.20

Finding the Fourth Proportional to 80,797,959.20, 121,212,685.20 and 34,739,739.20

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Solution

The fourth proportional to 80,797,959.20, 121,212,685.20 and 34,739,739.20 is: 52,116,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,797,959.20 : 121,212,685.20 = 34,739,739.20 : x
  2. Step 2: Convert to fraction form
    80,797,959.20/121,212,685.20 = 34,739,739.20/x
  3. Step 3: Cross multiply
    80,797,959.20x = 121,212,685.20 × 34,739,739.20
  4. Step 4: Simplify right side
    80,797,959.20x = 4,210,897,071,579,700.50
  5. Step 5: Solve for x
    x = 4,210,897,071,579,700.50/80,797,959.20
  6. Step 6: Final answer
    x = 52,116,379.09

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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.