Home / 141,955,912.20-212,933,868.30-61,176,880.20

Finding the Fourth Proportional to 141,955,912.20, 212,933,868.30 and 61,176,880.20

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Solution

The fourth proportional to 141,955,912.20, 212,933,868.30 and 61,176,880.20 is: 91,765,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,955,912.20 : 212,933,868.30 = 61,176,880.20 : x
  2. Step 2: Convert to fraction form
    141,955,912.20/212,933,868.30 = 61,176,880.20/x
  3. Step 3: Cross multiply
    141,955,912.20x = 212,933,868.30 × 61,176,880.20
  4. Step 4: Simplify right side
    141,955,912.20x = 13,026,629,751,511,680
  5. Step 5: Solve for x
    x = 13,026,629,751,511,680/141,955,912.20
  6. Step 6: Final answer
    x = 91,765,320.30

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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.