Home / 164,818,781.07-247,040,105.01-66,387,487.17

Finding the Fourth Proportional to 164,818,781.07, 247,040,105.01 and 66,387,487.17

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Solution

The fourth proportional to 164,818,781.07, 247,040,105.01 and 66,387,487.17 is: 99,505,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,818,781.07 : 247,040,105.01 = 66,387,487.17 : x
  2. Step 2: Convert to fraction form
    164,818,781.07/247,040,105.01 = 66,387,487.17/x
  3. Step 3: Cross multiply
    164,818,781.07x = 247,040,105.01 × 66,387,487.17
  4. Step 4: Simplify right side
    164,818,781.07x = 16,400,371,801,826,828
  5. Step 5: Solve for x
    x = 16,400,371,801,826,828/164,818,781.07
  6. Step 6: Final answer
    x = 99,505,479.26

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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.