Home / 141,209,594.40-194,418,765.84-120,499,929.12

Finding the Fourth Proportional to 141,209,594.40, 194,418,765.84 and 120,499,929.12

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Solution

The fourth proportional to 141,209,594.40, 194,418,765.84 and 120,499,929.12 is: 165,905,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209,594.40 : 194,418,765.84 = 120,499,929.12 : x
  2. Step 2: Convert to fraction form
    141,209,594.40/194,418,765.84 = 120,499,929.12/x
  3. Step 3: Cross multiply
    141,209,594.40x = 194,418,765.84 × 120,499,929.12
  4. Step 4: Simplify right side
    141,209,594.40x = 23,427,447,503,317,880
  5. Step 5: Solve for x
    x = 23,427,447,503,317,880/141,209,594.40
  6. Step 6: Final answer
    x = 165,905,493.91

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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.