Home / 66,731,145.30-100,033,605.18-50,310,952.20

Finding the Fourth Proportional to 66,731,145.30, 100,033,605.18 and 50,310,952.20

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Solution

The fourth proportional to 66,731,145.30, 100,033,605.18 and 50,310,952.20 is: 75,418,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731,145.30 : 100,033,605.18 = 50,310,952.20 : x
  2. Step 2: Convert to fraction form
    66,731,145.30/100,033,605.18 = 50,310,952.20/x
  3. Step 3: Cross multiply
    66,731,145.30x = 100,033,605.18 × 50,310,952.20
  4. Step 4: Simplify right side
    66,731,145.30x = 5,032,785,928,604,653
  5. Step 5: Solve for x
    x = 5,032,785,928,604,653/66,731,145.30
  6. Step 6: Final answer
    x = 75,418,845.37

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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.