Home / 49,966,819.52-74,918,119.25-20,840,752.64

Finding the Fourth Proportional to 49,966,819.52, 74,918,119.25 and 20,840,752.64

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Solution

The fourth proportional to 49,966,819.52, 74,918,119.25 and 20,840,752.64 is: 31,247,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966,819.52 : 74,918,119.25 = 20,840,752.64 : x
  2. Step 2: Convert to fraction form
    49,966,819.52/74,918,119.25 = 20,840,752.64/x
  3. Step 3: Cross multiply
    49,966,819.52x = 74,918,119.25 × 20,840,752.64
  4. Step 4: Simplify right side
    49,966,819.52x = 1,561,349,991,782,669.25
  5. Step 5: Solve for x
    x = 1,561,349,991,782,669.25/49,966,819.52
  6. Step 6: Final answer
    x = 31,247,736.14

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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.