Home / 46,378,685.60-69,543,145.20-19,421,885.60

Finding the Fourth Proportional to 46,378,685.60, 69,543,145.20 and 19,421,885.60

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Solution

The fourth proportional to 46,378,685.60, 69,543,145.20 and 19,421,885.60 is: 29,122,408.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,378,685.60 : 69,543,145.20 = 19,421,885.60 : x
  2. Step 2: Convert to fraction form
    46,378,685.60/69,543,145.20 = 19,421,885.60/x
  3. Step 3: Cross multiply
    46,378,685.60x = 69,543,145.20 × 19,421,885.60
  4. Step 4: Simplify right side
    46,378,685.60x = 1,350,659,010,338,589.25
  5. Step 5: Solve for x
    x = 1,350,659,010,338,589.25/46,378,685.60
  6. Step 6: Final answer
    x = 29,122,408.12

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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.