Home / 132,860,930.10-199,291,395.15-68,290,848.60

Finding the Fourth Proportional to 132,860,930.10, 199,291,395.15 and 68,290,848.60

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Solution

The fourth proportional to 132,860,930.10, 199,291,395.15 and 68,290,848.60 is: 102,436,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,930.10 : 199,291,395.15 = 68,290,848.60 : x
  2. Step 2: Convert to fraction form
    132,860,930.10/199,291,395.15 = 68,290,848.60/x
  3. Step 3: Cross multiply
    132,860,930.10x = 199,291,395.15 × 68,290,848.60
  4. Step 4: Simplify right side
    132,860,930.10x = 13,609,778,493,471,424
  5. Step 5: Solve for x
    x = 13,609,778,493,471,424/132,860,930.10
  6. Step 6: Final answer
    x = 102,436,272.90

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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.