Home / 79,015,131.36-119,114,931.60-73,747,960.56

Finding the Fourth Proportional to 79,015,131.36, 119,114,931.60 and 73,747,960.56

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Solution

The fourth proportional to 79,015,131.36, 119,114,931.60 and 73,747,960.56 is: 111,174,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015,131.36 : 119,114,931.60 = 73,747,960.56 : x
  2. Step 2: Convert to fraction form
    79,015,131.36/119,114,931.60 = 73,747,960.56/x
  3. Step 3: Cross multiply
    79,015,131.36x = 119,114,931.60 × 73,747,960.56
  4. Step 4: Simplify right side
    79,015,131.36x = 8,784,483,277,743,898
  5. Step 5: Solve for x
    x = 8,784,483,277,743,898/79,015,131.36
  6. Step 6: Final answer
    x = 111,174,696.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.