Home / 109,929,172.20-165,056,471.10-61,503,743.40

Finding the Fourth Proportional to 109,929,172.20, 165,056,471.10 and 61,503,743.40

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Solution

The fourth proportional to 109,929,172.20, 165,056,471.10 and 61,503,743.40 is: 92,346,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929,172.20 : 165,056,471.10 = 61,503,743.40 : x
  2. Step 2: Convert to fraction form
    109,929,172.20/165,056,471.10 = 61,503,743.40/x
  3. Step 3: Cross multiply
    109,929,172.20x = 165,056,471.10 × 61,503,743.40
  4. Step 4: Simplify right side
    109,929,172.20x = 10,151,590,845,043,916
  5. Step 5: Solve for x
    x = 10,151,590,845,043,916/109,929,172.20
  6. Step 6: Final answer
    x = 92,346,650.50

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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.