Home / 239,240,735.80-358,861,103.70-85,866,863.20

Finding the Fourth Proportional to 239,240,735.80, 358,861,103.70 and 85,866,863.20

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Solution

The fourth proportional to 239,240,735.80, 358,861,103.70 and 85,866,863.20 is: 128,800,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,240,735.80 : 358,861,103.70 = 85,866,863.20 : x
  2. Step 2: Convert to fraction form
    239,240,735.80/358,861,103.70 = 85,866,863.20/x
  3. Step 3: Cross multiply
    239,240,735.80x = 358,861,103.70 × 85,866,863.20
  4. Step 4: Simplify right side
    239,240,735.80x = 30,814,277,299,208,912
  5. Step 5: Solve for x
    x = 30,814,277,299,208,912/239,240,735.80
  6. Step 6: Final answer
    x = 128,800,294.80

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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.