Home / 283,561,188.60-391,304,765.88-156,406,905.84

Finding the Fourth Proportional to 283,561,188.60, 391,304,765.88 and 156,406,905.84

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Solution

The fourth proportional to 283,561,188.60, 391,304,765.88 and 156,406,905.84 is: 215,836,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,561,188.60 : 391,304,765.88 = 156,406,905.84 : x
  2. Step 2: Convert to fraction form
    283,561,188.60/391,304,765.88 = 156,406,905.84/x
  3. Step 3: Cross multiply
    283,561,188.60x = 391,304,765.88 × 156,406,905.84
  4. Step 4: Simplify right side
    283,561,188.60x = 61,202,767,671,736,408
  5. Step 5: Solve for x
    x = 61,202,767,671,736,408/283,561,188.60
  6. Step 6: Final answer
    x = 215,836,193.85

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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.