Home / 173,868,320.70-260,802,481.05-127,951,818.30

Finding the Fourth Proportional to 173,868,320.70, 260,802,481.05 and 127,951,818.30

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Solution

The fourth proportional to 173,868,320.70, 260,802,481.05 and 127,951,818.30 is: 191,927,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868,320.70 : 260,802,481.05 = 127,951,818.30 : x
  2. Step 2: Convert to fraction form
    173,868,320.70/260,802,481.05 = 127,951,818.30/x
  3. Step 3: Cross multiply
    173,868,320.70x = 260,802,481.05 × 127,951,818.30
  4. Step 4: Simplify right side
    173,868,320.70x = 33,370,151,667,498,792
  5. Step 5: Solve for x
    x = 33,370,151,667,498,792/173,868,320.70
  6. Step 6: Final answer
    x = 191,927,727.45

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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.