Home / 211,541,887.69-317,145,944.38-133,654,621.10

Finding the Fourth Proportional to 211,541,887.69, 317,145,944.38 and 133,654,621.10

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Solution

The fourth proportional to 211,541,887.69, 317,145,944.38 and 133,654,621.10 is: 200,376,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541,887.69 : 317,145,944.38 = 133,654,621.10 : x
  2. Step 2: Convert to fraction form
    211,541,887.69/317,145,944.38 = 133,654,621.10/x
  3. Step 3: Cross multiply
    211,541,887.69x = 317,145,944.38 × 133,654,621.10
  4. Step 4: Simplify right side
    211,541,887.69x = 42,388,021,029,623,000
  5. Step 5: Solve for x
    x = 42,388,021,029,623,000/211,541,887.69
  6. Step 6: Final answer
    x = 200,376,490.41

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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.