Home / 112,016,505.60-168,023,083.32-68,310,104.40

Finding the Fourth Proportional to 112,016,505.60, 168,023,083.32 and 68,310,104.40

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Solution

The fourth proportional to 112,016,505.60, 168,023,083.32 and 68,310,104.40 is: 102,464,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,016,505.60 : 168,023,083.32 = 68,310,104.40 : x
  2. Step 2: Convert to fraction form
    112,016,505.60/168,023,083.32 = 68,310,104.40/x
  3. Step 3: Cross multiply
    112,016,505.60x = 168,023,083.32 × 68,310,104.40
  4. Step 4: Simplify right side
    112,016,505.60x = 11,477,674,363,199,100
  5. Step 5: Solve for x
    x = 11,477,674,363,199,100/112,016,505.60
  6. Step 6: Final answer
    x = 102,464,135.10

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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.