Home / 91,739,127.39-126,600,016.46-50,486,019.76

Finding the Fourth Proportional to 91,739,127.39, 126,600,016.46 and 50,486,019.76

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Solution

The fourth proportional to 91,739,127.39, 126,600,016.46 and 50,486,019.76 is: 69,670,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,127.39 : 126,600,016.46 = 50,486,019.76 : x
  2. Step 2: Convert to fraction form
    91,739,127.39/126,600,016.46 = 50,486,019.76/x
  3. Step 3: Cross multiply
    91,739,127.39x = 126,600,016.46 × 50,486,019.76
  4. Step 4: Simplify right side
    91,739,127.39x = 6,391,530,932,615,885
  5. Step 5: Solve for x
    x = 6,391,530,932,615,885/91,739,127.39
  6. Step 6: Final answer
    x = 69,670,718.64

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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.