Home / 100,605,530.52-150,908,107.50-31,523,622.68

Finding the Fourth Proportional to 100,605,530.52, 150,908,107.50 and 31,523,622.68

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Solution

The fourth proportional to 100,605,530.52, 150,908,107.50 and 31,523,622.68 is: 47,285,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605,530.52 : 150,908,107.50 = 31,523,622.68 : x
  2. Step 2: Convert to fraction form
    100,605,530.52/150,908,107.50 = 31,523,622.68/x
  3. Step 3: Cross multiply
    100,605,530.52x = 150,908,107.50 × 31,523,622.68
  4. Step 4: Simplify right side
    100,605,530.52x = 4,757,170,240,182,878
  5. Step 5: Solve for x
    x = 4,757,170,240,182,878/100,605,530.52
  6. Step 6: Final answer
    x = 47,285,375.02

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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.