Home / 211,936,815.18-317,920,356.38-56,489,808.88

Finding the Fourth Proportional to 211,936,815.18, 317,920,356.38 and 56,489,808.88

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Solution

The fourth proportional to 211,936,815.18, 317,920,356.38 and 56,489,808.88 is: 84,738,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,936,815.18 : 317,920,356.38 = 56,489,808.88 : x
  2. Step 2: Convert to fraction form
    211,936,815.18/317,920,356.38 = 56,489,808.88/x
  3. Step 3: Cross multiply
    211,936,815.18x = 317,920,356.38 × 56,489,808.88
  4. Step 4: Simplify right side
    211,936,815.18x = 17,959,260,170,967,690
  5. Step 5: Solve for x
    x = 17,959,260,170,967,690/211,936,815.18
  6. Step 6: Final answer
    x = 84,738,747.04

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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.