Home / 85,943,523-128,918,842.02-25,359,249

Finding the Fourth Proportional to 85,943,523, 128,918,842.02 and 25,359,249

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Solution

The fourth proportional to 85,943,523, 128,918,842.02 and 25,359,249 is: 38,039,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,943,523 : 128,918,842.02 = 25,359,249 : x
  2. Step 2: Convert to fraction form
    85,943,523/128,918,842.02 = 25,359,249/x
  3. Step 3: Cross multiply
    85,943,523x = 128,918,842.02 × 25,359,249
  4. Step 4: Simplify right side
    85,943,523x = 3,269,285,015,576,843
  5. Step 5: Solve for x
    x = 3,269,285,015,576,843/85,943,523
  6. Step 6: Final answer
    x = 38,039,923.21

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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.