Home / 120,384,740.23-166,141,187.18-68,183,062.27

Finding the Fourth Proportional to 120,384,740.23, 166,141,187.18 and 68,183,062.27

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Solution

The fourth proportional to 120,384,740.23, 166,141,187.18 and 68,183,062.27 is: 94,098,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,740.23 : 166,141,187.18 = 68,183,062.27 : x
  2. Step 2: Convert to fraction form
    120,384,740.23/166,141,187.18 = 68,183,062.27/x
  3. Step 3: Cross multiply
    120,384,740.23x = 166,141,187.18 × 68,183,062.27
  4. Step 4: Simplify right side
    120,384,740.23x = 11,328,014,911,105,666
  5. Step 5: Solve for x
    x = 11,328,014,911,105,666/120,384,740.23
  6. Step 6: Final answer
    x = 94,098,428.83

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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.