Home / 179,586,511.40-268,707,143.10-127,890,626.60

Finding the Fourth Proportional to 179,586,511.40, 268,707,143.10 and 127,890,626.60

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Solution

The fourth proportional to 179,586,511.40, 268,707,143.10 and 127,890,626.60 is: 191,356,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,586,511.40 : 268,707,143.10 = 127,890,626.60 : x
  2. Step 2: Convert to fraction form
    179,586,511.40/268,707,143.10 = 127,890,626.60/x
  3. Step 3: Cross multiply
    179,586,511.40x = 268,707,143.10 × 127,890,626.60
  4. Step 4: Simplify right side
    179,586,511.40x = 34,365,124,902,954,868
  5. Step 5: Solve for x
    x = 34,365,124,902,954,868/179,586,511.40
  6. Step 6: Final answer
    x = 191,356,937.86

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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.