Home / 112,331,371.60-168,371,086.20-57,722,856.40

Finding the Fourth Proportional to 112,331,371.60, 168,371,086.20 and 57,722,856.40

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Solution

The fourth proportional to 112,331,371.60, 168,371,086.20 and 57,722,856.40 is: 86,519,552.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,371.60 : 168,371,086.20 = 57,722,856.40 : x
  2. Step 2: Convert to fraction form
    112,331,371.60/168,371,086.20 = 57,722,856.40/x
  3. Step 3: Cross multiply
    112,331,371.60x = 168,371,086.20 × 57,722,856.40
  4. Step 4: Simplify right side
    112,331,371.60x = 9,718,860,030,634,620
  5. Step 5: Solve for x
    x = 9,718,860,030,634,620/112,331,371.60
  6. Step 6: Final answer
    x = 86,519,552.75

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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.