Home / 168,188,628.30-252,282,942.45-165,921,146.70

Finding the Fourth Proportional to 168,188,628.30, 252,282,942.45 and 165,921,146.70

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Solution

The fourth proportional to 168,188,628.30, 252,282,942.45 and 165,921,146.70 is: 248,881,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188,628.30 : 252,282,942.45 = 165,921,146.70 : x
  2. Step 2: Convert to fraction form
    168,188,628.30/252,282,942.45 = 165,921,146.70/x
  3. Step 3: Cross multiply
    168,188,628.30x = 252,282,942.45 × 165,921,146.70
  4. Step 4: Simplify right side
    168,188,628.30x = 41,859,075,104,154,104
  5. Step 5: Solve for x
    x = 41,859,075,104,154,104/168,188,628.30
  6. Step 6: Final answer
    x = 248,881,720.05

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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.