Home / 412,231,478.82-618,346,824.56-105,523,099.62

Finding the Fourth Proportional to 412,231,478.82, 618,346,824.56 and 105,523,099.62

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Solution

The fourth proportional to 412,231,478.82, 618,346,824.56 and 105,523,099.62 is: 158,284,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,231,478.82 : 618,346,824.56 = 105,523,099.62 : x
  2. Step 2: Convert to fraction form
    412,231,478.82/618,346,824.56 = 105,523,099.62/x
  3. Step 3: Cross multiply
    412,231,478.82x = 618,346,824.56 × 105,523,099.62
  4. Step 4: Simplify right side
    412,231,478.82x = 65,249,873,565,898,936
  5. Step 5: Solve for x
    x = 65,249,873,565,898,936/412,231,478.82
  6. Step 6: Final answer
    x = 158,284,548.66

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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.