Home / 112,371,944.40-168,274,481.40-89,697,128.40

Finding the Fourth Proportional to 112,371,944.40, 168,274,481.40 and 89,697,128.40

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Solution

The fourth proportional to 112,371,944.40, 168,274,481.40 and 89,697,128.40 is: 134,319,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,944.40 : 168,274,481.40 = 89,697,128.40 : x
  2. Step 2: Convert to fraction form
    112,371,944.40/168,274,481.40 = 89,697,128.40/x
  3. Step 3: Cross multiply
    112,371,944.40x = 168,274,481.40 × 89,697,128.40
  4. Step 4: Simplify right side
    112,371,944.40x = 15,093,737,764,579,214
  5. Step 5: Solve for x
    x = 15,093,737,764,579,214/112,371,944.40
  6. Step 6: Final answer
    x = 134,319,449.98

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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.