Home / 66,368,434.20-99,552,651.30-18,499,378.20

Finding the Fourth Proportional to 66,368,434.20, 99,552,651.30 and 18,499,378.20

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Solution

The fourth proportional to 66,368,434.20, 99,552,651.30 and 18,499,378.20 is: 27,749,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,368,434.20 : 99,552,651.30 = 18,499,378.20 : x
  2. Step 2: Convert to fraction form
    66,368,434.20/99,552,651.30 = 18,499,378.20/x
  3. Step 3: Cross multiply
    66,368,434.20x = 99,552,651.30 × 18,499,378.20
  4. Step 4: Simplify right side
    66,368,434.20x = 1,841,662,147,211,421.50
  5. Step 5: Solve for x
    x = 1,841,662,147,211,421.50/66,368,434.20
  6. Step 6: Final answer
    x = 27,749,067.30

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Double scale
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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.