Home / 109,929,170.20-165,056,468.10-61,503,741.40

Finding the Fourth Proportional to 109,929,170.20, 165,056,468.10 and 61,503,741.40

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Solution

The fourth proportional to 109,929,170.20, 165,056,468.10 and 61,503,741.40 is: 92,346,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929,170.20 : 165,056,468.10 = 61,503,741.40 : x
  2. Step 2: Convert to fraction form
    109,929,170.20/165,056,468.10 = 61,503,741.40/x
  3. Step 3: Cross multiply
    109,929,170.20x = 165,056,468.10 × 61,503,741.40
  4. Step 4: Simplify right side
    109,929,170.20x = 10,151,590,330,419,748
  5. Step 5: Solve for x
    x = 10,151,590,330,419,748/109,929,170.20
  6. Step 6: Final answer
    x = 92,346,647.50

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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.