Home / 220,937,902.32-305,024,935.32-196,423,761.36

Finding the Fourth Proportional to 220,937,902.32, 305,024,935.32 and 196,423,761.36

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Solution

The fourth proportional to 220,937,902.32, 305,024,935.32 and 196,423,761.36 is: 271,180,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,937,902.32 : 305,024,935.32 = 196,423,761.36 : x
  2. Step 2: Convert to fraction form
    220,937,902.32/305,024,935.32 = 196,423,761.36/x
  3. Step 3: Cross multiply
    220,937,902.32x = 305,024,935.32 × 196,423,761.36
  4. Step 4: Simplify right side
    220,937,902.32x = 59,914,145,104,145,120
  5. Step 5: Solve for x
    x = 59,914,145,104,145,120/220,937,902.32
  6. Step 6: Final answer
    x = 271,180,926.74

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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.