Home / 61,204,877.20-91,807,315.80-57,697,366.60

Finding the Fourth Proportional to 61,204,877.20, 91,807,315.80 and 57,697,366.60

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Solution

The fourth proportional to 61,204,877.20, 91,807,315.80 and 57,697,366.60 is: 86,546,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204,877.20 : 91,807,315.80 = 57,697,366.60 : x
  2. Step 2: Convert to fraction form
    61,204,877.20/91,807,315.80 = 57,697,366.60/x
  3. Step 3: Cross multiply
    61,204,877.20x = 91,807,315.80 × 57,697,366.60
  4. Step 4: Simplify right side
    61,204,877.20x = 5,297,040,356,274,572
  5. Step 5: Solve for x
    x = 5,297,040,356,274,572/61,204,877.20
  6. Step 6: Final answer
    x = 86,546,049.90

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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.