Home / 112,104,003.60-168,156,005.40-109,584,579.60

Finding the Fourth Proportional to 112,104,003.60, 168,156,005.40 and 109,584,579.60

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Solution

The fourth proportional to 112,104,003.60, 168,156,005.40 and 109,584,579.60 is: 164,376,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,104,003.60 : 168,156,005.40 = 109,584,579.60 : x
  2. Step 2: Convert to fraction form
    112,104,003.60/168,156,005.40 = 109,584,579.60/x
  3. Step 3: Cross multiply
    112,104,003.60x = 168,156,005.40 × 109,584,579.60
  4. Step 4: Simplify right side
    112,104,003.60x = 18,427,305,158,974,328
  5. Step 5: Solve for x
    x = 18,427,305,158,974,328/112,104,003.60
  6. Step 6: Final answer
    x = 164,376,869.40

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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.