Home / 50,818,189.76-70,128,949.19-27,613,387.52

Finding the Fourth Proportional to 50,818,189.76, 70,128,949.19 and 27,613,387.52

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Solution

The fourth proportional to 50,818,189.76, 70,128,949.19 and 27,613,387.52 is: 38,106,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818,189.76 : 70,128,949.19 = 27,613,387.52 : x
  2. Step 2: Convert to fraction form
    50,818,189.76/70,128,949.19 = 27,613,387.52/x
  3. Step 3: Cross multiply
    50,818,189.76x = 70,128,949.19 × 27,613,387.52
  4. Step 4: Simplify right side
    50,818,189.76x = 1,936,497,850,353,860
  5. Step 5: Solve for x
    x = 1,936,497,850,353,860/50,818,189.76
  6. Step 6: Final answer
    x = 38,106,391.82

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1.5x scale

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.