Home / 313,918,482.17-433,204,067.62-172,786,685.15

Finding the Fourth Proportional to 313,918,482.17, 433,204,067.62 and 172,786,685.15

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Solution

The fourth proportional to 313,918,482.17, 433,204,067.62 and 172,786,685.15 is: 238,443,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,482.17 : 433,204,067.62 = 172,786,685.15 : x
  2. Step 2: Convert to fraction form
    313,918,482.17/433,204,067.62 = 172,786,685.15/x
  3. Step 3: Cross multiply
    313,918,482.17x = 433,204,067.62 × 172,786,685.15
  4. Step 4: Simplify right side
    313,918,482.17x = 74,851,894,838,431,920
  5. Step 5: Solve for x
    x = 74,851,894,838,431,920/313,918,482.17
  6. Step 6: Final answer
    x = 238,443,733.30

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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.