Home / 91,516,588.44-126,240,173.10-54,825,901.80

Finding the Fourth Proportional to 91,516,588.44, 126,240,173.10 and 54,825,901.80

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Solution

The fourth proportional to 91,516,588.44, 126,240,173.10 and 54,825,901.80 is: 75,628,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516,588.44 : 126,240,173.10 = 54,825,901.80 : x
  2. Step 2: Convert to fraction form
    91,516,588.44/126,240,173.10 = 54,825,901.80/x
  3. Step 3: Cross multiply
    91,516,588.44x = 126,240,173.10 × 54,825,901.80
  4. Step 4: Simplify right side
    91,516,588.44x = 6,921,231,333,595,601
  5. Step 5: Solve for x
    x = 6,921,231,333,595,601/91,516,588.44
  6. Step 6: Final answer
    x = 75,628,161.53

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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.