Home / 112,650,120.60-155,741,468.22-83,235,059.16

Finding the Fourth Proportional to 112,650,120.60, 155,741,468.22 and 83,235,059.16

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Solution

The fourth proportional to 112,650,120.60, 155,741,468.22 and 83,235,059.16 is: 115,074,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,650,120.60 : 155,741,468.22 = 83,235,059.16 : x
  2. Step 2: Convert to fraction form
    112,650,120.60/155,741,468.22 = 83,235,059.16/x
  3. Step 3: Cross multiply
    112,650,120.60x = 155,741,468.22 × 83,235,059.16
  4. Step 4: Simplify right side
    112,650,120.60x = 12,963,150,320,956,960
  5. Step 5: Solve for x
    x = 12,963,150,320,956,960/112,650,120.60
  6. Step 6: Final answer
    x = 115,074,446.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.