Home / 30,156,110.40-45,217,029.24-20,583,076.80

Finding the Fourth Proportional to 30,156,110.40, 45,217,029.24 and 20,583,076.80

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Solution

The fourth proportional to 30,156,110.40, 45,217,029.24 and 20,583,076.80 is: 30,862,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156,110.40 : 45,217,029.24 = 20,583,076.80 : x
  2. Step 2: Convert to fraction form
    30,156,110.40/45,217,029.24 = 20,583,076.80/x
  3. Step 3: Cross multiply
    30,156,110.40x = 45,217,029.24 × 20,583,076.80
  4. Step 4: Simplify right side
    30,156,110.40x = 930,705,585,514,765.75
  5. Step 5: Solve for x
    x = 930,705,585,514,765.75/30,156,110.40
  6. Step 6: Final answer
    x = 30,862,918.76

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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.