Home / 159,843,703.72-220,584,308.44-86,504,845.72

Finding the Fourth Proportional to 159,843,703.72, 220,584,308.44 and 86,504,845.72

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Solution

The fourth proportional to 159,843,703.72, 220,584,308.44 and 86,504,845.72 is: 119,376,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843,703.72 : 220,584,308.44 = 86,504,845.72 : x
  2. Step 2: Convert to fraction form
    159,843,703.72/220,584,308.44 = 86,504,845.72/x
  3. Step 3: Cross multiply
    159,843,703.72x = 220,584,308.44 × 86,504,845.72
  4. Step 4: Simplify right side
    159,843,703.72x = 19,081,611,569,855,092
  5. Step 5: Solve for x
    x = 19,081,611,569,855,092/159,843,703.72
  6. Step 6: Final answer
    x = 119,376,685.64

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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.