Home / 72,183,894.40-108,275,841.60-64,247,708.80

Finding the Fourth Proportional to 72,183,894.40, 108,275,841.60 and 64,247,708.80

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Solution

The fourth proportional to 72,183,894.40, 108,275,841.60 and 64,247,708.80 is: 96,371,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,894.40 : 108,275,841.60 = 64,247,708.80 : x
  2. Step 2: Convert to fraction form
    72,183,894.40/108,275,841.60 = 64,247,708.80/x
  3. Step 3: Cross multiply
    72,183,894.40x = 108,275,841.60 × 64,247,708.80
  4. Step 4: Simplify right side
    72,183,894.40x = 6,956,474,741,191,725
  5. Step 5: Solve for x
    x = 6,956,474,741,191,725/72,183,894.40
  6. Step 6: Final answer
    x = 96,371,563.20

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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.