Home / 176,979,811.40-265,469,717.10-128,606,870.60

Finding the Fourth Proportional to 176,979,811.40, 265,469,717.10 and 128,606,870.60

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Solution

The fourth proportional to 176,979,811.40, 265,469,717.10 and 128,606,870.60 is: 192,910,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,979,811.40 : 265,469,717.10 = 128,606,870.60 : x
  2. Step 2: Convert to fraction form
    176,979,811.40/265,469,717.10 = 128,606,870.60/x
  3. Step 3: Cross multiply
    176,979,811.40x = 265,469,717.10 × 128,606,870.60
  4. Step 4: Simplify right side
    176,979,811.40x = 34,141,229,555,298,304
  5. Step 5: Solve for x
    x = 34,141,229,555,298,304/176,979,811.40
  6. Step 6: Final answer
    x = 192,910,305.90

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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.