Home / 55,385,608.94-83,081,956.19-21,306,954.81

Finding the Fourth Proportional to 55,385,608.94, 83,081,956.19 and 21,306,954.81

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Solution

The fourth proportional to 55,385,608.94, 83,081,956.19 and 21,306,954.81 is: 31,961,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,608.94 : 83,081,956.19 = 21,306,954.81 : x
  2. Step 2: Convert to fraction form
    55,385,608.94/83,081,956.19 = 21,306,954.81/x
  3. Step 3: Cross multiply
    55,385,608.94x = 83,081,956.19 × 21,306,954.81
  4. Step 4: Simplify right side
    55,385,608.94x = 1,770,223,485,960,195
  5. Step 5: Solve for x
    x = 1,770,223,485,960,195/55,385,608.94
  6. Step 6: Final answer
    x = 31,961,795.13

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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.