Home / 112,527,772.20-168,685,370.10-66,504,981.60

Finding the Fourth Proportional to 112,527,772.20, 168,685,370.10 and 66,504,981.60

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Solution

The fourth proportional to 112,527,772.20, 168,685,370.10 and 66,504,981.60 is: 99,694,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,527,772.20 : 168,685,370.10 = 66,504,981.60 : x
  2. Step 2: Convert to fraction form
    112,527,772.20/168,685,370.10 = 66,504,981.60/x
  3. Step 3: Cross multiply
    112,527,772.20x = 168,685,370.10 × 66,504,981.60
  4. Step 4: Simplify right side
    112,527,772.20x = 11,218,417,434,689,690
  5. Step 5: Solve for x
    x = 11,218,417,434,689,690/112,527,772.20
  6. Step 6: Final answer
    x = 99,694,655.06

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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.