Home / 168,424,701.30-252,601,622.55-71,383,574.70

Finding the Fourth Proportional to 168,424,701.30, 252,601,622.55 and 71,383,574.70

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Solution

The fourth proportional to 168,424,701.30, 252,601,622.55 and 71,383,574.70 is: 107,060,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,424,701.30 : 252,601,622.55 = 71,383,574.70 : x
  2. Step 2: Convert to fraction form
    168,424,701.30/252,601,622.55 = 71,383,574.70/x
  3. Step 3: Cross multiply
    168,424,701.30x = 252,601,622.55 × 71,383,574.70
  4. Step 4: Simplify right side
    168,424,701.30x = 18,031,606,792,639,132
  5. Step 5: Solve for x
    x = 18,031,606,792,639,132/168,424,701.30
  6. Step 6: Final answer
    x = 107,060,345.98

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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.