Home / 91,410,878.85-126,122,610.81-54,210,230.28

Finding the Fourth Proportional to 91,410,878.85, 126,122,610.81 and 54,210,230.28

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Solution

The fourth proportional to 91,410,878.85, 126,122,610.81 and 54,210,230.28 is: 74,795,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,410,878.85 : 126,122,610.81 = 54,210,230.28 : x
  2. Step 2: Convert to fraction form
    91,410,878.85/126,122,610.81 = 54,210,230.28/x
  3. Step 3: Cross multiply
    91,410,878.85x = 126,122,610.81 × 54,210,230.28
  4. Step 4: Simplify right side
    91,410,878.85x = 6,837,135,775,524,918
  5. Step 5: Solve for x
    x = 6,837,135,775,524,918/91,410,878.85
  6. Step 6: Final answer
    x = 74,795,646.44

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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.