Home / 170,490,717-255,800,499.48-102,380,888.52

Finding the Fourth Proportional to 170,490,717, 255,800,499.48 and 102,380,888.52

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Solution

The fourth proportional to 170,490,717, 255,800,499.48 and 102,380,888.52 is: 153,610,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,490,717 : 255,800,499.48 = 102,380,888.52 : x
  2. Step 2: Convert to fraction form
    170,490,717/255,800,499.48 = 102,380,888.52/x
  3. Step 3: Cross multiply
    170,490,717x = 255,800,499.48 × 102,380,888.52
  4. Step 4: Simplify right side
    170,490,717x = 26,189,082,420,622,196
  5. Step 5: Solve for x
    x = 26,189,082,420,622,196/170,490,717
  6. Step 6: Final answer
    x = 153,610,019.84

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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.