Home / 100,259,589.52-150,358,768.98-69,334,037.20

Finding the Fourth Proportional to 100,259,589.52, 150,358,768.98 and 69,334,037.20

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Solution

The fourth proportional to 100,259,589.52, 150,358,768.98 and 69,334,037.20 is: 103,979,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,259,589.52 : 150,358,768.98 = 69,334,037.20 : x
  2. Step 2: Convert to fraction form
    100,259,589.52/150,358,768.98 = 69,334,037.20/x
  3. Step 3: Cross multiply
    100,259,589.52x = 150,358,768.98 × 69,334,037.20
  4. Step 4: Simplify right side
    100,259,589.52x = 10,424,980,481,805,526
  5. Step 5: Solve for x
    x = 10,424,980,481,805,526/100,259,589.52
  6. Step 6: Final answer
    x = 103,979,883.94

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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.