Home / 107,876,622.80-161,835,929.40-31,202,152.40

Finding the Fourth Proportional to 107,876,622.80, 161,835,929.40 and 31,202,152.40

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Solution

The fourth proportional to 107,876,622.80, 161,835,929.40 and 31,202,152.40 is: 46,809,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,876,622.80 : 161,835,929.40 = 31,202,152.40 : x
  2. Step 2: Convert to fraction form
    107,876,622.80/161,835,929.40 = 31,202,152.40/x
  3. Step 3: Cross multiply
    107,876,622.80x = 161,835,929.40 × 31,202,152.40
  4. Step 4: Simplify right side
    107,876,622.80x = 5,049,629,332,934,441
  5. Step 5: Solve for x
    x = 5,049,629,332,934,441/107,876,622.80
  6. Step 6: Final answer
    x = 46,809,301.24

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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.