Home / 112,979,920.20-169,485,626.70-48,283,211.40

Finding the Fourth Proportional to 112,979,920.20, 169,485,626.70 and 48,283,211.40

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Solution

The fourth proportional to 112,979,920.20, 169,485,626.70 and 48,283,211.40 is: 72,431,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,979,920.20 : 169,485,626.70 = 48,283,211.40 : x
  2. Step 2: Convert to fraction form
    112,979,920.20/169,485,626.70 = 48,283,211.40/x
  3. Step 3: Cross multiply
    112,979,920.20x = 169,485,626.70 × 48,283,211.40
  4. Step 4: Simplify right side
    112,979,920.20x = 8,183,310,343,217,584
  5. Step 5: Solve for x
    x = 8,183,310,343,217,584/112,979,920.20
  6. Step 6: Final answer
    x = 72,431,546.50

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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.