Home / 205,835,003.10-308,687,030.75-67,628,755.06

Finding the Fourth Proportional to 205,835,003.10, 308,687,030.75 and 67,628,755.06

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Solution

The fourth proportional to 205,835,003.10, 308,687,030.75 and 67,628,755.06 is: 101,421,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,835,003.10 : 308,687,030.75 = 67,628,755.06 : x
  2. Step 2: Convert to fraction form
    205,835,003.10/308,687,030.75 = 67,628,755.06/x
  3. Step 3: Cross multiply
    205,835,003.10x = 308,687,030.75 × 67,628,755.06
  4. Step 4: Simplify right side
    205,835,003.10x = 20,876,119,592,187,792
  5. Step 5: Solve for x
    x = 20,876,119,592,187,792/205,835,003.10
  6. Step 6: Final answer
    x = 101,421,620.61

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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.