Home / 108,590,389.56-162,885,614.64-31,913,413.56

Finding the Fourth Proportional to 108,590,389.56, 162,885,614.64 and 31,913,413.56

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Solution

The fourth proportional to 108,590,389.56, 162,885,614.64 and 31,913,413.56 is: 47,870,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590,389.56 : 162,885,614.64 = 31,913,413.56 : x
  2. Step 2: Convert to fraction form
    108,590,389.56/162,885,614.64 = 31,913,413.56/x
  3. Step 3: Cross multiply
    108,590,389.56x = 162,885,614.64 × 31,913,413.56
  4. Step 4: Simplify right side
    108,590,389.56x = 5,198,235,982,981,110
  5. Step 5: Solve for x
    x = 5,198,235,982,981,110/108,590,389.56
  6. Step 6: Final answer
    x = 47,870,129.24

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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.