Home / 355,905,100.08-491,154,108.24-205,194,774.24

Finding the Fourth Proportional to 355,905,100.08, 491,154,108.24 and 205,194,774.24

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Solution

The fourth proportional to 355,905,100.08, 491,154,108.24 and 205,194,774.24 is: 283,171,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,905,100.08 : 491,154,108.24 = 205,194,774.24 : x
  2. Step 2: Convert to fraction form
    355,905,100.08/491,154,108.24 = 205,194,774.24/x
  3. Step 3: Cross multiply
    355,905,100.08x = 491,154,108.24 × 205,194,774.24
  4. Step 4: Simplify right side
    355,905,100.08x = 100,782,256,357,355,328
  5. Step 5: Solve for x
    x = 100,782,256,357,355,328/355,905,100.08
  6. Step 6: Final answer
    x = 283,171,711.60

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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.