Home / 170,490,718-255,800,500.98-102,380,889.52

Finding the Fourth Proportional to 170,490,718, 255,800,500.98 and 102,380,889.52

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Solution

The fourth proportional to 170,490,718, 255,800,500.98 and 102,380,889.52 is: 153,610,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,490,718 : 255,800,500.98 = 102,380,889.52 : x
  2. Step 2: Convert to fraction form
    170,490,718/255,800,500.98 = 102,380,889.52/x
  3. Step 3: Cross multiply
    170,490,718x = 255,800,500.98 × 102,380,889.52
  4. Step 4: Simplify right side
    170,490,718x = 26,189,082,829,994,028
  5. Step 5: Solve for x
    x = 26,189,082,829,994,028/170,490,718
  6. Step 6: Final answer
    x = 153,610,021.34

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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.