Home / 307,521,057.92-424,378,785.62-173,587,166.79

Finding the Fourth Proportional to 307,521,057.92, 424,378,785.62 and 173,587,166.79

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Solution

The fourth proportional to 307,521,057.92, 424,378,785.62 and 173,587,166.79 is: 239,550,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,521,057.92 : 424,378,785.62 = 173,587,166.79 : x
  2. Step 2: Convert to fraction form
    307,521,057.92/424,378,785.62 = 173,587,166.79/x
  3. Step 3: Cross multiply
    307,521,057.92x = 424,378,785.62 × 173,587,166.79
  4. Step 4: Simplify right side
    307,521,057.92x = 73,666,711,041,811,104
  5. Step 5: Solve for x
    x = 73,666,711,041,811,104/307,521,057.92
  6. Step 6: Final answer
    x = 239,550,135.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.