Home / 220,008,846.80-329,509,385.40-112,177,499.60

Finding the Fourth Proportional to 220,008,846.80, 329,509,385.40 and 112,177,499.60

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Solution

The fourth proportional to 220,008,846.80, 329,509,385.40 and 112,177,499.60 is: 168,009,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008,846.80 : 329,509,385.40 = 112,177,499.60 : x
  2. Step 2: Convert to fraction form
    220,008,846.80/329,509,385.40 = 112,177,499.60/x
  3. Step 3: Cross multiply
    220,008,846.80x = 329,509,385.40 × 112,177,499.60
  4. Step 4: Simplify right side
    220,008,846.80x = 36,963,538,948,904,744
  5. Step 5: Solve for x
    x = 36,963,538,948,904,744/220,008,846.80
  6. Step 6: Final answer
    x = 168,009,330.02

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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.