Home / 80,803,641.90-121,222,485.45-26,211,964.74

Finding the Fourth Proportional to 80,803,641.90, 121,222,485.45 and 26,211,964.74

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Solution

The fourth proportional to 80,803,641.90, 121,222,485.45 and 26,211,964.74 is: 39,323,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803,641.90 : 121,222,485.45 = 26,211,964.74 : x
  2. Step 2: Convert to fraction form
    80,803,641.90/121,222,485.45 = 26,211,964.74/x
  3. Step 3: Cross multiply
    80,803,641.90x = 121,222,485.45 × 26,211,964.74
  4. Step 4: Simplify right side
    80,803,641.90x = 3,177,479,514,310,563
  5. Step 5: Solve for x
    x = 3,177,479,514,310,563/80,803,641.90
  6. Step 6: Final answer
    x = 39,323,469.09

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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.