Home / 112,380,618.80-168,381,971.40-93,107,025.20

Finding the Fourth Proportional to 112,380,618.80, 168,381,971.40 and 93,107,025.20

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Solution

The fourth proportional to 112,380,618.80, 168,381,971.40 and 93,107,025.20 is: 139,503,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,380,618.80 : 168,381,971.40 = 93,107,025.20 : x
  2. Step 2: Convert to fraction form
    112,380,618.80/168,381,971.40 = 93,107,025.20/x
  3. Step 3: Cross multiply
    112,380,618.80x = 168,381,971.40 × 93,107,025.20
  4. Step 4: Simplify right side
    112,380,618.80x = 15,677,544,454,365,480
  5. Step 5: Solve for x
    x = 15,677,544,454,365,480/112,380,618.80
  6. Step 6: Final answer
    x = 139,503,987.63

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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.