Home / 392,756,537.63-589,195,340.87-133,911,223.42

Finding the Fourth Proportional to 392,756,537.63, 589,195,340.87 and 133,911,223.42

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Solution

The fourth proportional to 392,756,537.63, 589,195,340.87 and 133,911,223.42 is: 200,887,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,756,537.63 : 589,195,340.87 = 133,911,223.42 : x
  2. Step 2: Convert to fraction form
    392,756,537.63/589,195,340.87 = 133,911,223.42/x
  3. Step 3: Cross multiply
    392,756,537.63x = 589,195,340.87 × 133,911,223.42
  4. Step 4: Simplify right side
    392,756,537.63x = 78,899,868,928,987,376
  5. Step 5: Solve for x
    x = 78,899,868,928,987,376/392,756,537.63
  6. Step 6: Final answer
    x = 200,887,474.48

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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.