Home / 136,113,781,751.41-187,921,789,760.74-86,646,324,138.62

Finding the Fourth Proportional to 136,113,781,751.41, 187,921,789,760.74 and 86,646,324,138.62

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Solution

The fourth proportional to 136,113,781,751.41, 187,921,789,760.74 and 86,646,324,138.62 is: 119,625,890,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,113,781,751.41 : 187,921,789,760.74 = 86,646,324,138.62 : x
  2. Step 2: Convert to fraction form
    136,113,781,751.41/187,921,789,760.74 = 86,646,324,138.62/x
  3. Step 3: Cross multiply
    136,113,781,751.41x = 187,921,789,760.74 × 86,646,324,138.62
  4. Step 4: Simplify right side
    136,113,781,751.41x = 16,282,732,308,318,677,630,976
  5. Step 5: Solve for x
    x = 16,282,732,308,318,677,630,976/136,113,781,751.41
  6. Step 6: Final answer
    x = 119,625,890,183.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.