Home / 55,756,222.05-83,615,469.80-21,204,414.93

Finding the Fourth Proportional to 55,756,222.05, 83,615,469.80 and 21,204,414.93

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Solution

The fourth proportional to 55,756,222.05, 83,615,469.80 and 21,204,414.93 is: 31,799,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756,222.05 : 83,615,469.80 = 21,204,414.93 : x
  2. Step 2: Convert to fraction form
    55,756,222.05/83,615,469.80 = 21,204,414.93/x
  3. Step 3: Cross multiply
    55,756,222.05x = 83,615,469.80 × 21,204,414.93
  4. Step 4: Simplify right side
    55,756,222.05x = 1,773,017,116,100,062
  5. Step 5: Solve for x
    x = 1,773,017,116,100,062/55,756,222.05
  6. Step 6: Final answer
    x = 31,799,448.58

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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.