Home / 55,440,452.43-83,102,035.76-20,881,901.25

Finding the Fourth Proportional to 55,440,452.43, 83,102,035.76 and 20,881,901.25

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Solution

The fourth proportional to 55,440,452.43, 83,102,035.76 and 20,881,901.25 is: 31,300,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440,452.43 : 83,102,035.76 = 20,881,901.25 : x
  2. Step 2: Convert to fraction form
    55,440,452.43/83,102,035.76 = 20,881,901.25/x
  3. Step 3: Cross multiply
    55,440,452.43x = 83,102,035.76 × 20,881,901.25
  4. Step 4: Simplify right side
    55,440,452.43x = 1,735,328,504,388,186.50
  5. Step 5: Solve for x
    x = 1,735,328,504,388,186.50/55,440,452.43
  6. Step 6: Final answer
    x = 31,300,763.76

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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.