Home / 340,127,172.20-469,345,555.49-189,408,441.53

Finding the Fourth Proportional to 340,127,172.20, 469,345,555.49 and 189,408,441.53

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Solution

The fourth proportional to 340,127,172.20, 469,345,555.49 and 189,408,441.53 is: 261,366,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,127,172.20 : 469,345,555.49 = 189,408,441.53 : x
  2. Step 2: Convert to fraction form
    340,127,172.20/469,345,555.49 = 189,408,441.53/x
  3. Step 3: Cross multiply
    340,127,172.20x = 469,345,555.49 × 189,408,441.53
  4. Step 4: Simplify right side
    340,127,172.20x = 88,898,010,201,099,264
  5. Step 5: Solve for x
    x = 88,898,010,201,099,264/340,127,172.20
  6. Step 6: Final answer
    x = 261,366,975.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.