Home / 319,080,082.15-440,330,514.22-172,402,366.15

Finding the Fourth Proportional to 319,080,082.15, 440,330,514.22 and 172,402,366.15

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Solution

The fourth proportional to 319,080,082.15, 440,330,514.22 and 172,402,366.15 is: 237,915,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,080,082.15 : 440,330,514.22 = 172,402,366.15 : x
  2. Step 2: Convert to fraction form
    319,080,082.15/440,330,514.22 = 172,402,366.15/x
  3. Step 3: Cross multiply
    319,080,082.15x = 440,330,514.22 × 172,402,366.15
  4. Step 4: Simplify right side
    319,080,082.15x = 75,914,022,539,262,624
  5. Step 5: Solve for x
    x = 75,914,022,539,262,624/319,080,082.15
  6. Step 6: Final answer
    x = 237,915,265.75

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1.5x scale

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.