Home / 67,999,763.39-102,019,657.16-21,940,768.37

Finding the Fourth Proportional to 67,999,763.39, 102,019,657.16 and 21,940,768.37

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Solution

The fourth proportional to 67,999,763.39, 102,019,657.16 and 21,940,768.37 is: 32,917,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,763.39 : 102,019,657.16 = 21,940,768.37 : x
  2. Step 2: Convert to fraction form
    67,999,763.39/102,019,657.16 = 21,940,768.37/x
  3. Step 3: Cross multiply
    67,999,763.39x = 102,019,657.16 × 21,940,768.37
  4. Step 4: Simplify right side
    67,999,763.39x = 2,238,389,666,934,372
  5. Step 5: Solve for x
    x = 2,238,389,666,934,372/67,999,763.39
  6. Step 6: Final answer
    x = 32,917,609.64

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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.