Home / 201,192,278.60-301,788,417.90-189,288,000.20

Finding the Fourth Proportional to 201,192,278.60, 301,788,417.90 and 189,288,000.20

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Solution

The fourth proportional to 201,192,278.60, 301,788,417.90 and 189,288,000.20 is: 283,932,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,192,278.60 : 301,788,417.90 = 189,288,000.20 : x
  2. Step 2: Convert to fraction form
    201,192,278.60/301,788,417.90 = 189,288,000.20/x
  3. Step 3: Cross multiply
    201,192,278.60x = 301,788,417.90 × 189,288,000.20
  4. Step 4: Simplify right side
    201,192,278.60x = 57,124,926,107,812,872
  5. Step 5: Solve for x
    x = 57,124,926,107,812,872/201,192,278.60
  6. Step 6: Final answer
    x = 283,932,000.30

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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.