Home / 103,521,939.20-155,151,032.70-55,023,027.20

Finding the Fourth Proportional to 103,521,939.20, 155,151,032.70 and 55,023,027.20

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Solution

The fourth proportional to 103,521,939.20, 155,151,032.70 and 55,023,027.20 is: 82,464,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521,939.20 : 155,151,032.70 = 55,023,027.20 : x
  2. Step 2: Convert to fraction form
    103,521,939.20/155,151,032.70 = 55,023,027.20/x
  3. Step 3: Cross multiply
    103,521,939.20x = 155,151,032.70 × 55,023,027.20
  4. Step 4: Simplify right side
    103,521,939.20x = 8,536,879,492,360,189
  5. Step 5: Solve for x
    x = 8,536,879,492,360,189/103,521,939.20
  6. Step 6: Final answer
    x = 82,464,447.23

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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.