Home / 283,561,200.42-391,304,782.62-156,406,917.66

Finding the Fourth Proportional to 283,561,200.42, 391,304,782.62 and 156,406,917.66

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Solution

The fourth proportional to 283,561,200.42, 391,304,782.62 and 156,406,917.66 is: 215,836,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561,200.42 : 391,304,782.62 = 156,406,917.66 : x
  2. Step 2: Convert to fraction form
    283,561,200.42/391,304,782.62 = 156,406,917.66/x
  3. Step 3: Cross multiply
    283,561,200.42x = 391,304,782.62 × 156,406,917.66
  4. Step 4: Simplify right side
    283,561,200.42x = 61,202,774,915,210,536
  5. Step 5: Solve for x
    x = 61,202,774,915,210,536/283,561,200.42
  6. Step 6: Final answer
    x = 215,836,210.40

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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.