Home / 91,659,015.96-126,453,642.32-52,479,853.80

Finding the Fourth Proportional to 91,659,015.96, 126,453,642.32 and 52,479,853.80

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Solution

The fourth proportional to 91,659,015.96, 126,453,642.32 and 52,479,853.80 is: 72,401,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,659,015.96 : 126,453,642.32 = 52,479,853.80 : x
  2. Step 2: Convert to fraction form
    91,659,015.96/126,453,642.32 = 52,479,853.80/x
  3. Step 3: Cross multiply
    91,659,015.96x = 126,453,642.32 × 52,479,853.80
  4. Step 4: Simplify right side
    91,659,015.96x = 6,636,268,661,431,092
  5. Step 5: Solve for x
    x = 6,636,268,661,431,092/91,659,015.96
  6. Step 6: Final answer
    x = 72,401,700.93

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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.