Home / 172,410,366.60-258,741,521.10-121,392,030.60

Finding the Fourth Proportional to 172,410,366.60, 258,741,521.10 and 121,392,030.60

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Solution

The fourth proportional to 172,410,366.60, 258,741,521.10 and 121,392,030.60 is: 182,176,740.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,410,366.60 : 258,741,521.10 = 121,392,030.60 : x
  2. Step 2: Convert to fraction form
    172,410,366.60/258,741,521.10 = 121,392,030.60/x
  3. Step 3: Cross multiply
    172,410,366.60x = 258,741,521.10 × 121,392,030.60
  4. Step 4: Simplify right side
    172,410,366.60x = 31,409,158,646,861,744
  5. Step 5: Solve for x
    x = 31,409,158,646,861,744/172,410,366.60
  6. Step 6: Final answer
    x = 182,176,740.68

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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.