Home / 388,340,429.20-582,510,643.80-101,126,093.20

Finding the Fourth Proportional to 388,340,429.20, 582,510,643.80 and 101,126,093.20

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Solution

The fourth proportional to 388,340,429.20, 582,510,643.80 and 101,126,093.20 is: 151,689,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,340,429.20 : 582,510,643.80 = 101,126,093.20 : x
  2. Step 2: Convert to fraction form
    388,340,429.20/582,510,643.80 = 101,126,093.20/x
  3. Step 3: Cross multiply
    388,340,429.20x = 582,510,643.80 × 101,126,093.20
  4. Step 4: Simplify right side
    388,340,429.20x = 58,907,025,654,910,800
  5. Step 5: Solve for x
    x = 58,907,025,654,910,800/388,340,429.20
  6. Step 6: Final answer
    x = 151,689,139.80

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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.