Home / 412,231,526.91-618,346,896.71-105,523,147.71

Finding the Fourth Proportional to 412,231,526.91, 618,346,896.71 and 105,523,147.71

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Solution

The fourth proportional to 412,231,526.91, 618,346,896.71 and 105,523,147.71 is: 158,284,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,231,526.91 : 618,346,896.71 = 105,523,147.71 : x
  2. Step 2: Convert to fraction form
    412,231,526.91/618,346,896.71 = 105,523,147.71/x
  3. Step 3: Cross multiply
    412,231,526.91x = 618,346,896.71 × 105,523,147.71
  4. Step 4: Simplify right side
    412,231,526.91x = 65,249,910,917,021,824
  5. Step 5: Solve for x
    x = 65,249,910,917,021,824/412,231,526.91
  6. Step 6: Final answer
    x = 158,284,620.80

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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.