Home / 132,860,032.90-199,321,542.15-68,173,821.70

Finding the Fourth Proportional to 132,860,032.90, 199,321,542.15 and 68,173,821.70

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Solution

The fourth proportional to 132,860,032.90, 199,321,542.15 and 68,173,821.70 is: 102,276,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,032.90 : 199,321,542.15 = 68,173,821.70 : x
  2. Step 2: Convert to fraction form
    132,860,032.90/199,321,542.15 = 68,173,821.70/x
  3. Step 3: Cross multiply
    132,860,032.90x = 199,321,542.15 × 68,173,821.70
  4. Step 4: Simplify right side
    132,860,032.90x = 13,588,511,275,503,136
  5. Step 5: Solve for x
    x = 13,588,511,275,503,136/132,860,032.90
  6. Step 6: Final answer
    x = 102,276,892.30

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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.