Home / 211,343,221.82-317,063,777.78-65,769,066.02

Finding the Fourth Proportional to 211,343,221.82, 317,063,777.78 and 65,769,066.02

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Solution

The fourth proportional to 211,343,221.82, 317,063,777.78 and 65,769,066.02 is: 98,668,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,343,221.82 : 317,063,777.78 = 65,769,066.02 : x
  2. Step 2: Convert to fraction form
    211,343,221.82/317,063,777.78 = 65,769,066.02/x
  3. Step 3: Cross multiply
    211,343,221.82x = 317,063,777.78 × 65,769,066.02
  4. Step 4: Simplify right side
    211,343,221.82x = 20,852,988,531,942,536
  5. Step 5: Solve for x
    x = 20,852,988,531,942,536/211,343,221.82
  6. Step 6: Final answer
    x = 98,668,830.51

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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.