Home / 201,192,287.10-301,788,430.65-189,288,008.70

Finding the Fourth Proportional to 201,192,287.10, 301,788,430.65 and 189,288,008.70

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Solution

The fourth proportional to 201,192,287.10, 301,788,430.65 and 189,288,008.70 is: 283,932,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,192,287.10 : 301,788,430.65 = 189,288,008.70 : x
  2. Step 2: Convert to fraction form
    201,192,287.10/301,788,430.65 = 189,288,008.70/x
  3. Step 3: Cross multiply
    201,192,287.10x = 301,788,430.65 × 189,288,008.70
  4. Step 4: Simplify right side
    201,192,287.10x = 57,124,931,086,436,536
  5. Step 5: Solve for x
    x = 57,124,931,086,436,536/201,192,287.10
  6. Step 6: Final answer
    x = 283,932,013.05

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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.