Home / 309,715,646.14-464,573,469.12-115,642,217.44

Finding the Fourth Proportional to 309,715,646.14, 464,573,469.12 and 115,642,217.44

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Solution

The fourth proportional to 309,715,646.14, 464,573,469.12 and 115,642,217.44 is: 173,463,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,715,646.14 : 464,573,469.12 = 115,642,217.44 : x
  2. Step 2: Convert to fraction form
    309,715,646.14/464,573,469.12 = 115,642,217.44/x
  3. Step 3: Cross multiply
    309,715,646.14x = 464,573,469.12 × 115,642,217.44
  4. Step 4: Simplify right side
    309,715,646.14x = 53,724,306,132,830,168
  5. Step 5: Solve for x
    x = 53,724,306,132,830,168/309,715,646.14
  6. Step 6: Final answer
    x = 173,463,326.13

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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.