Home / 236,643,137.80-354,964,706.70-200,363,432.20

Finding the Fourth Proportional to 236,643,137.80, 354,964,706.70 and 200,363,432.20

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Solution

The fourth proportional to 236,643,137.80, 354,964,706.70 and 200,363,432.20 is: 300,545,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,643,137.80 : 354,964,706.70 = 200,363,432.20 : x
  2. Step 2: Convert to fraction form
    236,643,137.80/354,964,706.70 = 200,363,432.20/x
  3. Step 3: Cross multiply
    236,643,137.80x = 354,964,706.70 × 200,363,432.20
  4. Step 4: Simplify right side
    236,643,137.80x = 71,121,946,944,278,328
  5. Step 5: Solve for x
    x = 71,121,946,944,278,328/236,643,137.80
  6. Step 6: Final answer
    x = 300,545,148.30

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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.