Home / 319,080,082.65-440,330,514.91-172,402,366.65

Finding the Fourth Proportional to 319,080,082.65, 440,330,514.91 and 172,402,366.65

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Solution

The fourth proportional to 319,080,082.65, 440,330,514.91 and 172,402,366.65 is: 237,915,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080,082.65 : 440,330,514.91 = 172,402,366.65 : x
  2. Step 2: Convert to fraction form
    319,080,082.65/440,330,514.91 = 172,402,366.65/x
  3. Step 3: Cross multiply
    319,080,082.65x = 440,330,514.91 × 172,402,366.65
  4. Step 4: Simplify right side
    319,080,082.65x = 75,914,022,877,835,104
  5. Step 5: Solve for x
    x = 75,914,022,877,835,104/319,080,082.65
  6. Step 6: Final answer
    x = 237,915,266.44

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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.