Home / 200,957,500.80-301,436,251.20-85,953,668.40

Finding the Fourth Proportional to 200,957,500.80, 301,436,251.20 and 85,953,668.40

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Solution

The fourth proportional to 200,957,500.80, 301,436,251.20 and 85,953,668.40 is: 128,930,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,957,500.80 : 301,436,251.20 = 85,953,668.40 : x
  2. Step 2: Convert to fraction form
    200,957,500.80/301,436,251.20 = 85,953,668.40/x
  3. Step 3: Cross multiply
    200,957,500.80x = 301,436,251.20 × 85,953,668.40
  4. Step 4: Simplify right side
    200,957,500.80x = 25,909,551,579,383,904
  5. Step 5: Solve for x
    x = 25,909,551,579,383,904/200,957,500.80
  6. Step 6: Final answer
    x = 128,930,502.60

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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.