Home / 109,678,924.42-151,102,535.90-76,586,757.65

Finding the Fourth Proportional to 109,678,924.42, 151,102,535.90 and 76,586,757.65

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Solution

The fourth proportional to 109,678,924.42, 151,102,535.90 and 76,586,757.65 is: 105,512,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678,924.42 : 151,102,535.90 = 76,586,757.65 : x
  2. Step 2: Convert to fraction form
    109,678,924.42/151,102,535.90 = 76,586,757.65/x
  3. Step 3: Cross multiply
    109,678,924.42x = 151,102,535.90 × 76,586,757.65
  4. Step 4: Simplify right side
    109,678,924.42x = 11,572,453,296,786,486
  5. Step 5: Solve for x
    x = 11,572,453,296,786,486/109,678,924.42
  6. Step 6: Final answer
    x = 105,512,096.86

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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.