Home / 159,843,693.21-220,584,293.94-86,504,835.21

Finding the Fourth Proportional to 159,843,693.21, 220,584,293.94 and 86,504,835.21

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Solution

The fourth proportional to 159,843,693.21, 220,584,293.94 and 86,504,835.21 is: 119,376,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843,693.21 : 220,584,293.94 = 86,504,835.21 : x
  2. Step 2: Convert to fraction form
    159,843,693.21/220,584,293.94 = 86,504,835.21/x
  3. Step 3: Cross multiply
    159,843,693.21x = 220,584,293.94 × 86,504,835.21
  4. Step 4: Simplify right side
    159,843,693.21x = 19,081,607,997,193,900
  5. Step 5: Solve for x
    x = 19,081,607,997,193,900/159,843,693.21
  6. Step 6: Final answer
    x = 119,376,671.13

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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.