Home / 201,192,279.10-301,788,418.65-189,288,000.70

Finding the Fourth Proportional to 201,192,279.10, 301,788,418.65 and 189,288,000.70

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Solution

The fourth proportional to 201,192,279.10, 301,788,418.65 and 189,288,000.70 is: 283,932,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,192,279.10 : 301,788,418.65 = 189,288,000.70 : x
  2. Step 2: Convert to fraction form
    201,192,279.10/301,788,418.65 = 189,288,000.70/x
  3. Step 3: Cross multiply
    201,192,279.10x = 301,788,418.65 × 189,288,000.70
  4. Step 4: Simplify right side
    201,192,279.10x = 57,124,926,400,673,088
  5. Step 5: Solve for x
    x = 57,124,926,400,673,088/201,192,279.10
  6. Step 6: Final answer
    x = 283,932,001.05

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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.