Home / 91,768,031.99-126,642,494.64-49,954,793.80

Finding the Fourth Proportional to 91,768,031.99, 126,642,494.64 and 49,954,793.80

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Solution

The fourth proportional to 91,768,031.99, 126,642,494.64 and 49,954,793.80 is: 68,939,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768,031.99 : 126,642,494.64 = 49,954,793.80 : x
  2. Step 2: Convert to fraction form
    91,768,031.99/126,642,494.64 = 49,954,793.80/x
  3. Step 3: Cross multiply
    91,768,031.99x = 126,642,494.64 × 49,954,793.80
  4. Step 4: Simplify right side
    91,768,031.99x = 6,326,399,705,886,238
  5. Step 5: Solve for x
    x = 6,326,399,705,886,238/91,768,031.99
  6. Step 6: Final answer
    x = 68,939,036.49

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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.