Home / 412,231,479.57-618,346,825.69-105,523,100.37

Finding the Fourth Proportional to 412,231,479.57, 618,346,825.69 and 105,523,100.37

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Solution

The fourth proportional to 412,231,479.57, 618,346,825.69 and 105,523,100.37 is: 158,284,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,231,479.57 : 618,346,825.69 = 105,523,100.37 : x
  2. Step 2: Convert to fraction form
    412,231,479.57/618,346,825.69 = 105,523,100.37/x
  3. Step 3: Cross multiply
    412,231,479.57x = 618,346,825.69 × 105,523,100.37
  4. Step 4: Simplify right side
    412,231,479.57x = 65,249,874,150,492,960
  5. Step 5: Solve for x
    x = 65,249,874,150,492,960/412,231,479.57
  6. Step 6: Final answer
    x = 158,284,549.78

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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.