Home / 120,881,297.17-166,811,323.48-65,875,972.69

Finding the Fourth Proportional to 120,881,297.17, 166,811,323.48 and 65,875,972.69

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Solution

The fourth proportional to 120,881,297.17, 166,811,323.48 and 65,875,972.69 is: 90,906,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,881,297.17 : 166,811,323.48 = 65,875,972.69 : x
  2. Step 2: Convert to fraction form
    120,881,297.17/166,811,323.48 = 65,875,972.69/x
  3. Step 3: Cross multiply
    120,881,297.17x = 166,811,323.48 × 65,875,972.69
  4. Step 4: Simplify right side
    120,881,297.17x = 10,988,858,189,951,234
  5. Step 5: Solve for x
    x = 10,988,858,189,951,234/120,881,297.17
  6. Step 6: Final answer
    x = 90,906,190.18

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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.