Home / 56,790,005.60-85,164,013.20-18,452,770.40

Finding the Fourth Proportional to 56,790,005.60, 85,164,013.20 and 18,452,770.40

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Solution

The fourth proportional to 56,790,005.60, 85,164,013.20 and 18,452,770.40 is: 27,672,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790,005.60 : 85,164,013.20 = 18,452,770.40 : x
  2. Step 2: Convert to fraction form
    56,790,005.60/85,164,013.20 = 18,452,770.40/x
  3. Step 3: Cross multiply
    56,790,005.60x = 85,164,013.20 × 18,452,770.40
  4. Step 4: Simplify right side
    56,790,005.60x = 1,571,511,981,922,169.25
  5. Step 5: Solve for x
    x = 1,571,511,981,922,169.25/56,790,005.60
  6. Step 6: Final answer
    x = 27,672,333.63

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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.