Home / 85,181,109.68-127,793,162.40-23,770,217.12

Finding the Fourth Proportional to 85,181,109.68, 127,793,162.40 and 23,770,217.12

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Solution

The fourth proportional to 85,181,109.68, 127,793,162.40 and 23,770,217.12 is: 35,661,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,181,109.68 : 127,793,162.40 = 23,770,217.12 : x
  2. Step 2: Convert to fraction form
    85,181,109.68/127,793,162.40 = 23,770,217.12/x
  3. Step 3: Cross multiply
    85,181,109.68x = 127,793,162.40 × 23,770,217.12
  4. Step 4: Simplify right side
    85,181,109.68x = 3,037,671,216,699,420.50
  5. Step 5: Solve for x
    x = 3,037,671,216,699,420.50/85,181,109.68
  6. Step 6: Final answer
    x = 35,661,324.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.