Home / 211,743,538.74-317,344,759.77-170,822,275.56

Finding the Fourth Proportional to 211,743,538.74, 317,344,759.77 and 170,822,275.56

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Solution

The fourth proportional to 211,743,538.74, 317,344,759.77 and 170,822,275.56 is: 256,015,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,743,538.74 : 317,344,759.77 = 170,822,275.56 : x
  2. Step 2: Convert to fraction form
    211,743,538.74/317,344,759.77 = 170,822,275.56/x
  3. Step 3: Cross multiply
    211,743,538.74x = 317,344,759.77 × 170,822,275.56
  4. Step 4: Simplify right side
    211,743,538.74x = 54,209,554,000,952,936
  5. Step 5: Solve for x
    x = 54,209,554,000,952,936/211,743,538.74
  6. Step 6: Final answer
    x = 256,015,150.80

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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.