Home / 200,957,423.40-301,436,135.10-199,256,812.20

Finding the Fourth Proportional to 200,957,423.40, 301,436,135.10 and 199,256,812.20

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Solution

The fourth proportional to 200,957,423.40, 301,436,135.10 and 199,256,812.20 is: 298,885,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,957,423.40 : 301,436,135.10 = 199,256,812.20 : x
  2. Step 2: Convert to fraction form
    200,957,423.40/301,436,135.10 = 199,256,812.20/x
  3. Step 3: Cross multiply
    200,957,423.40x = 301,436,135.10 × 199,256,812.20
  4. Step 4: Simplify right side
    200,957,423.40x = 60,063,203,361,914,528
  5. Step 5: Solve for x
    x = 60,063,203,361,914,528/200,957,423.40
  6. Step 6: Final answer
    x = 298,885,218.30

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1.5x scale

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.