Home / 91,739,126.88-126,600,015.76-50,486,019.26

Finding the Fourth Proportional to 91,739,126.88, 126,600,015.76 and 50,486,019.26

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Solution

The fourth proportional to 91,739,126.88, 126,600,015.76 and 50,486,019.26 is: 69,670,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,126.88 : 126,600,015.76 = 50,486,019.26 : x
  2. Step 2: Convert to fraction form
    91,739,126.88/126,600,015.76 = 50,486,019.26/x
  3. Step 3: Cross multiply
    91,739,126.88x = 126,600,015.76 × 50,486,019.26
  4. Step 4: Simplify right side
    91,739,126.88x = 6,391,530,833,975,664
  5. Step 5: Solve for x
    x = 6,391,530,833,975,664/91,739,126.88
  6. Step 6: Final answer
    x = 69,670,717.95

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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.