Home / 120,724,203.70-166,635,529.05-70,501,969.48

Finding the Fourth Proportional to 120,724,203.70, 166,635,529.05 and 70,501,969.48

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Solution

The fourth proportional to 120,724,203.70, 166,635,529.05 and 70,501,969.48 is: 97,313,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,724,203.70 : 166,635,529.05 = 70,501,969.48 : x
  2. Step 2: Convert to fraction form
    120,724,203.70/166,635,529.05 = 70,501,969.48/x
  3. Step 3: Cross multiply
    120,724,203.70x = 166,635,529.05 × 70,501,969.48
  4. Step 4: Simplify right side
    120,724,203.70x = 11,748,132,982,463,204
  5. Step 5: Solve for x
    x = 11,748,132,982,463,204/120,724,203.70
  6. Step 6: Final answer
    x = 97,313,816.30

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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.