Home / 159,444,897.96-220,033,961.94-86,106,039.96

Finding the Fourth Proportional to 159,444,897.96, 220,033,961.94 and 86,106,039.96

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Solution

The fourth proportional to 159,444,897.96, 220,033,961.94 and 86,106,039.96 is: 118,826,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,444,897.96 : 220,033,961.94 = 86,106,039.96 : x
  2. Step 2: Convert to fraction form
    159,444,897.96/220,033,961.94 = 86,106,039.96/x
  3. Step 3: Cross multiply
    159,444,897.96x = 220,033,961.94 × 86,106,039.96
  4. Step 4: Simplify right side
    159,444,897.96x = 18,946,253,119,362,756
  5. Step 5: Solve for x
    x = 18,946,253,119,362,756/159,444,897.96
  6. Step 6: Final answer
    x = 118,826,336.63

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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.