Home / 168,545,346.75-252,818,020.73-47,376,798.75

Finding the Fourth Proportional to 168,545,346.75, 252,818,020.73 and 47,376,798.75

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Solution

The fourth proportional to 168,545,346.75, 252,818,020.73 and 47,376,798.75 is: 71,065,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,545,346.75 : 252,818,020.73 = 47,376,798.75 : x
  2. Step 2: Convert to fraction form
    168,545,346.75/252,818,020.73 = 47,376,798.75/x
  3. Step 3: Cross multiply
    168,545,346.75x = 252,818,020.73 × 47,376,798.75
  4. Step 4: Simplify right side
    168,545,346.75x = 11,977,708,488,616,980
  5. Step 5: Solve for x
    x = 11,977,708,488,616,980/168,545,346.75
  6. Step 6: Final answer
    x = 71,065,198.30

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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.