Home / 57,052,017.97-78,731,704.09-30,946,504.28

Finding the Fourth Proportional to 57,052,017.97, 78,731,704.09 and 30,946,504.28

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Solution

The fourth proportional to 57,052,017.97, 78,731,704.09 and 30,946,504.28 is: 42,706,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052,017.97 : 78,731,704.09 = 30,946,504.28 : x
  2. Step 2: Convert to fraction form
    57,052,017.97/78,731,704.09 = 30,946,504.28/x
  3. Step 3: Cross multiply
    57,052,017.97x = 78,731,704.09 × 30,946,504.28
  4. Step 4: Simplify right side
    57,052,017.97x = 2,436,471,017,044,487
  5. Step 5: Solve for x
    x = 2,436,471,017,044,487/57,052,017.97
  6. Step 6: Final answer
    x = 42,706,132.12

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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.