Home / 304,505,150.59-420,145,077.71-172,346,147.11

Finding the Fourth Proportional to 304,505,150.59, 420,145,077.71 and 172,346,147.11

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Solution

The fourth proportional to 304,505,150.59, 420,145,077.71 and 172,346,147.11 is: 237,796,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,505,150.59 : 420,145,077.71 = 172,346,147.11 : x
  2. Step 2: Convert to fraction form
    304,505,150.59/420,145,077.71 = 172,346,147.11/x
  3. Step 3: Cross multiply
    304,505,150.59x = 420,145,077.71 × 172,346,147.11
  4. Step 4: Simplify right side
    304,505,150.59x = 72,410,385,368,847,632
  5. Step 5: Solve for x
    x = 72,410,385,368,847,632/304,505,150.59
  6. Step 6: Final answer
    x = 237,796,914.86

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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.