Home / 29,125,830.20-43,688,745.30-20,055,903.80

Finding the Fourth Proportional to 29,125,830.20, 43,688,745.30 and 20,055,903.80

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Solution

The fourth proportional to 29,125,830.20, 43,688,745.30 and 20,055,903.80 is: 30,083,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125,830.20 : 43,688,745.30 = 20,055,903.80 : x
  2. Step 2: Convert to fraction form
    29,125,830.20/43,688,745.30 = 20,055,903.80/x
  3. Step 3: Cross multiply
    29,125,830.20x = 43,688,745.30 × 20,055,903.80
  4. Step 4: Simplify right side
    29,125,830.20x = 876,217,272,879,502.12
  5. Step 5: Solve for x
    x = 876,217,272,879,502.12/29,125,830.20
  6. Step 6: Final answer
    x = 30,083,855.70

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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.