Home / 220,082,430.32-303,716,910.16-120,972,353.12

Finding the Fourth Proportional to 220,082,430.32, 303,716,910.16 and 120,972,353.12

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Solution

The fourth proportional to 220,082,430.32, 303,716,910.16 and 120,972,353.12 is: 166,943,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,082,430.32 : 303,716,910.16 = 120,972,353.12 : x
  2. Step 2: Convert to fraction form
    220,082,430.32/303,716,910.16 = 120,972,353.12/x
  3. Step 3: Cross multiply
    220,082,430.32x = 303,716,910.16 × 120,972,353.12
  4. Step 4: Simplify right side
    220,082,430.32x = 36,741,349,304,390,840
  5. Step 5: Solve for x
    x = 36,741,349,304,390,840/220,082,430.32
  6. Step 6: Final answer
    x = 166,943,582.23

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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.