Home / 196,288,771.13-270,877,685.61-108,182,558.53

Finding the Fourth Proportional to 196,288,771.13, 270,877,685.61 and 108,182,558.53

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Solution

The fourth proportional to 196,288,771.13, 270,877,685.61 and 108,182,558.53 is: 149,291,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,288,771.13 : 270,877,685.61 = 108,182,558.53 : x
  2. Step 2: Convert to fraction form
    196,288,771.13/270,877,685.61 = 108,182,558.53/x
  3. Step 3: Cross multiply
    196,288,771.13x = 270,877,685.61 × 108,182,558.53
  4. Step 4: Simplify right side
    196,288,771.13x = 29,304,241,078,719,044
  5. Step 5: Solve for x
    x = 29,304,241,078,719,044/196,288,771.13
  6. Step 6: Final answer
    x = 149,291,479.64

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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.