Home / 91,659,036.69-126,453,670.97-52,479,874.53

Finding the Fourth Proportional to 91,659,036.69, 126,453,670.97 and 52,479,874.53

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Solution

The fourth proportional to 91,659,036.69, 126,453,670.97 and 52,479,874.53 is: 72,401,729.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,659,036.69 : 126,453,670.97 = 52,479,874.53 : x
  2. Step 2: Convert to fraction form
    91,659,036.69/126,453,670.97 = 52,479,874.53/x
  3. Step 3: Cross multiply
    91,659,036.69x = 126,453,670.97 × 52,479,874.53
  4. Step 4: Simplify right side
    91,659,036.69x = 6,636,272,786,101,104
  5. Step 5: Solve for x
    x = 6,636,272,786,101,104/91,659,036.69
  6. Step 6: Final answer
    x = 72,401,729.56

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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.