Home / 302,157,313.20-453,235,969.80-156,542,479.20

Finding the Fourth Proportional to 302,157,313.20, 453,235,969.80 and 156,542,479.20

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Solution

The fourth proportional to 302,157,313.20, 453,235,969.80 and 156,542,479.20 is: 234,813,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,157,313.20 : 453,235,969.80 = 156,542,479.20 : x
  2. Step 2: Convert to fraction form
    302,157,313.20/453,235,969.80 = 156,542,479.20/x
  3. Step 3: Cross multiply
    302,157,313.20x = 453,235,969.80 × 156,542,479.20
  4. Step 4: Simplify right side
    302,157,313.20x = 70,950,682,375,108,328
  5. Step 5: Solve for x
    x = 70,950,682,375,108,328/302,157,313.20
  6. Step 6: Final answer
    x = 234,813,718.80

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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.