Home / 131,239,844.84-196,814,179.24-73,036,343.88

Finding the Fourth Proportional to 131,239,844.84, 196,814,179.24 and 73,036,343.88

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Solution

The fourth proportional to 131,239,844.84, 196,814,179.24 and 73,036,343.88 is: 109,529,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,239,844.84 : 196,814,179.24 = 73,036,343.88 : x
  2. Step 2: Convert to fraction form
    131,239,844.84/196,814,179.24 = 73,036,343.88/x
  3. Step 3: Cross multiply
    131,239,844.84x = 196,814,179.24 × 73,036,343.88
  4. Step 4: Simplify right side
    131,239,844.84x = 14,374,588,075,432,596
  5. Step 5: Solve for x
    x = 14,374,588,075,432,596/131,239,844.84
  6. Step 6: Final answer
    x = 109,529,145.61

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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.