Home / 170,055,489.70-255,083,234.55-72,994,680.10

Finding the Fourth Proportional to 170,055,489.70, 255,083,234.55 and 72,994,680.10

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Solution

The fourth proportional to 170,055,489.70, 255,083,234.55 and 72,994,680.10 is: 109,492,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,055,489.70 : 255,083,234.55 = 72,994,680.10 : x
  2. Step 2: Convert to fraction form
    170,055,489.70/255,083,234.55 = 72,994,680.10/x
  3. Step 3: Cross multiply
    170,055,489.70x = 255,083,234.55 × 72,994,680.10
  4. Step 4: Simplify right side
    170,055,489.70x = 18,619,719,104,850,516
  5. Step 5: Solve for x
    x = 18,619,719,104,850,516/170,055,489.70
  6. Step 6: Final answer
    x = 109,492,020.15

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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.