Home / 120,175,382.52-180,257,656.86-50,116,762.08

Finding the Fourth Proportional to 120,175,382.52, 180,257,656.86 and 50,116,762.08

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Solution

The fourth proportional to 120,175,382.52, 180,257,656.86 and 50,116,762.08 is: 75,172,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,175,382.52 : 180,257,656.86 = 50,116,762.08 : x
  2. Step 2: Convert to fraction form
    120,175,382.52/180,257,656.86 = 50,116,762.08/x
  3. Step 3: Cross multiply
    120,175,382.52x = 180,257,656.86 × 50,116,762.08
  4. Step 4: Simplify right side
    120,175,382.52x = 9,033,930,101,950,900
  5. Step 5: Solve for x
    x = 9,033,930,101,950,900/120,175,382.52
  6. Step 6: Final answer
    x = 75,172,884.10

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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.