Home / 136,611,439.20-188,523,222.12-73,887,606.72

Finding the Fourth Proportional to 136,611,439.20, 188,523,222.12 and 73,887,606.72

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Solution

The fourth proportional to 136,611,439.20, 188,523,222.12 and 73,887,606.72 is: 101,964,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,611,439.20 : 188,523,222.12 = 73,887,606.72 : x
  2. Step 2: Convert to fraction form
    136,611,439.20/188,523,222.12 = 73,887,606.72/x
  3. Step 3: Cross multiply
    136,611,439.20x = 188,523,222.12 × 73,887,606.72
  4. Step 4: Simplify right side
    136,611,439.20x = 13,929,529,693,589,764
  5. Step 5: Solve for x
    x = 13,929,529,693,589,764/136,611,439.20
  6. Step 6: Final answer
    x = 101,964,592.24

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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.