Home / 307,846,971.18-461,770,456.31-77,816,055.83

Finding the Fourth Proportional to 307,846,971.18, 461,770,456.31 and 77,816,055.83

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Solution

The fourth proportional to 307,846,971.18, 461,770,456.31 and 77,816,055.83 is: 116,724,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,846,971.18 : 461,770,456.31 = 77,816,055.83 : x
  2. Step 2: Convert to fraction form
    307,846,971.18/461,770,456.31 = 77,816,055.83/x
  3. Step 3: Cross multiply
    307,846,971.18x = 461,770,456.31 × 77,816,055.83
  4. Step 4: Simplify right side
    307,846,971.18x = 35,933,155,606,165,604
  5. Step 5: Solve for x
    x = 35,933,155,606,165,604/307,846,971.18
  6. Step 6: Final answer
    x = 116,724,083.62

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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.