Home / 146,751,422.40-220,127,133.60-112,843,915.20

Finding the Fourth Proportional to 146,751,422.40, 220,127,133.60 and 112,843,915.20

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Solution

The fourth proportional to 146,751,422.40, 220,127,133.60 and 112,843,915.20 is: 169,265,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,751,422.40 : 220,127,133.60 = 112,843,915.20 : x
  2. Step 2: Convert to fraction form
    146,751,422.40/220,127,133.60 = 112,843,915.20/x
  3. Step 3: Cross multiply
    146,751,422.40x = 220,127,133.60 × 112,843,915.20
  4. Step 4: Simplify right side
    146,751,422.40x = 24,840,007,597,177,472
  5. Step 5: Solve for x
    x = 24,840,007,597,177,472/146,751,422.40
  6. Step 6: Final answer
    x = 169,265,872.80

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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.