Home / 127,396,085.52-191,062,635.30-54,604,611.60

Finding the Fourth Proportional to 127,396,085.52, 191,062,635.30 and 54,604,611.60

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Solution

The fourth proportional to 127,396,085.52, 191,062,635.30 and 54,604,611.60 is: 81,893,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396,085.52 : 191,062,635.30 = 54,604,611.60 : x
  2. Step 2: Convert to fraction form
    127,396,085.52/191,062,635.30 = 54,604,611.60/x
  3. Step 3: Cross multiply
    127,396,085.52x = 191,062,635.30 × 54,604,611.60
  4. Step 4: Simplify right side
    127,396,085.52x = 10,432,900,991,828,950
  5. Step 5: Solve for x
    x = 10,432,900,991,828,950/127,396,085.52
  6. Step 6: Final answer
    x = 81,893,418.85

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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.