Home / 71,615,510.43-107,346,784.19-40,843,830.95

Finding the Fourth Proportional to 71,615,510.43, 107,346,784.19 and 40,843,830.95

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Solution

The fourth proportional to 71,615,510.43, 107,346,784.19 and 40,843,830.95 is: 61,222,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,615,510.43 : 107,346,784.19 = 40,843,830.95 : x
  2. Step 2: Convert to fraction form
    71,615,510.43/107,346,784.19 = 40,843,830.95/x
  3. Step 3: Cross multiply
    71,615,510.43x = 107,346,784.19 × 40,843,830.95
  4. Step 4: Simplify right side
    71,615,510.43x = 4,384,453,906,546,640.50
  5. Step 5: Solve for x
    x = 4,384,453,906,546,640.50/71,615,510.43
  6. Step 6: Final answer
    x = 61,222,127.44

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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.