Home / 100,668,013.52-151,002,195.44-31,586,118.60

Finding the Fourth Proportional to 100,668,013.52, 151,002,195.44 and 31,586,118.60

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Solution

The fourth proportional to 100,668,013.52, 151,002,195.44 and 31,586,118.60 is: 47,379,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,668,013.52 : 151,002,195.44 = 31,586,118.60 : x
  2. Step 2: Convert to fraction form
    100,668,013.52/151,002,195.44 = 31,586,118.60/x
  3. Step 3: Cross multiply
    100,668,013.52x = 151,002,195.44 × 31,586,118.60
  4. Step 4: Simplify right side
    100,668,013.52x = 4,769,573,254,028,219
  5. Step 5: Solve for x
    x = 4,769,573,254,028,219/100,668,013.52
  6. Step 6: Final answer
    x = 47,379,232.86

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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.