Home / 236,643,138.30-354,964,707.45-200,363,432.70

Finding the Fourth Proportional to 236,643,138.30, 354,964,707.45 and 200,363,432.70

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Solution

The fourth proportional to 236,643,138.30, 354,964,707.45 and 200,363,432.70 is: 300,545,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,643,138.30 : 354,964,707.45 = 200,363,432.70 : x
  2. Step 2: Convert to fraction form
    236,643,138.30/354,964,707.45 = 200,363,432.70/x
  3. Step 3: Cross multiply
    236,643,138.30x = 354,964,707.45 × 200,363,432.70
  4. Step 4: Simplify right side
    236,643,138.30x = 71,121,947,272,033,256
  5. Step 5: Solve for x
    x = 71,121,947,272,033,256/236,643,138.30
  6. Step 6: Final answer
    x = 300,545,149.05

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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.