Home / 103,378,216.40-155,067,324.60-89,017,499.60

Finding the Fourth Proportional to 103,378,216.40, 155,067,324.60 and 89,017,499.60

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Solution

The fourth proportional to 103,378,216.40, 155,067,324.60 and 89,017,499.60 is: 133,526,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,378,216.40 : 155,067,324.60 = 89,017,499.60 : x
  2. Step 2: Convert to fraction form
    103,378,216.40/155,067,324.60 = 89,017,499.60/x
  3. Step 3: Cross multiply
    103,378,216.40x = 155,067,324.60 × 89,017,499.60
  4. Step 4: Simplify right side
    103,378,216.40x = 13,803,705,505,553,568
  5. Step 5: Solve for x
    x = 13,803,705,505,553,568/103,378,216.40
  6. Step 6: Final answer
    x = 133,526,249.40

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1.5x scale

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.