Home / 132,860,853.10-199,291,279.65-68,290,771.60

Finding the Fourth Proportional to 132,860,853.10, 199,291,279.65 and 68,290,771.60

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Solution

The fourth proportional to 132,860,853.10, 199,291,279.65 and 68,290,771.60 is: 102,436,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,853.10 : 199,291,279.65 = 68,290,771.60 : x
  2. Step 2: Convert to fraction form
    132,860,853.10/199,291,279.65 = 68,290,771.60/x
  3. Step 3: Cross multiply
    132,860,853.10x = 199,291,279.65 × 68,290,771.60
  4. Step 4: Simplify right side
    132,860,853.10x = 13,609,755,260,449,878
  5. Step 5: Solve for x
    x = 13,609,755,260,449,878/132,860,853.10
  6. Step 6: Final answer
    x = 102,436,157.40

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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.