Home / 140,783,458,023.92-194,284,854,191.40-76,557,938,635.28

Finding the Fourth Proportional to 140,783,458,023.92, 194,284,854,191.40 and 76,557,938,635.28

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Solution

The fourth proportional to 140,783,458,023.92, 194,284,854,191.40 and 76,557,938,635.28 is: 105,651,957,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,783,458,023.92 : 194,284,854,191.40 = 76,557,938,635.28 : x
  2. Step 2: Convert to fraction form
    140,783,458,023.92/194,284,854,191.40 = 76,557,938,635.28/x
  3. Step 3: Cross multiply
    140,783,458,023.92x = 194,284,854,191.40 × 76,557,938,635.28
  4. Step 4: Simplify right side
    140,783,458,023.92x = 14,874,047,944,949,523,021,824
  5. Step 5: Solve for x
    x = 14,874,047,944,949,523,021,824/140,783,458,023.92
  6. Step 6: Final answer
    x = 105,651,957,649.90

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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.