Home / 388,476,000.20-582,501,423.90-158,184,900.20

Finding the Fourth Proportional to 388,476,000.20, 582,501,423.90 and 158,184,900.20

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Solution

The fourth proportional to 388,476,000.20, 582,501,423.90 and 158,184,900.20 is: 237,190,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,476,000.20 : 582,501,423.90 = 158,184,900.20 : x
  2. Step 2: Convert to fraction form
    388,476,000.20/582,501,423.90 = 158,184,900.20/x
  3. Step 3: Cross multiply
    388,476,000.20x = 582,501,423.90 × 158,184,900.20
  4. Step 4: Simplify right side
    388,476,000.20x = 92,142,929,605,979,392
  5. Step 5: Solve for x
    x = 92,142,929,605,979,392/388,476,000.20
  6. Step 6: Final answer
    x = 237,190,790.57

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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.