Home / 112,100,516.40-168,150,774.60-89,425,700.40

Finding the Fourth Proportional to 112,100,516.40, 168,150,774.60 and 89,425,700.40

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Solution

The fourth proportional to 112,100,516.40, 168,150,774.60 and 89,425,700.40 is: 134,138,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,516.40 : 168,150,774.60 = 89,425,700.40 : x
  2. Step 2: Convert to fraction form
    112,100,516.40/168,150,774.60 = 89,425,700.40/x
  3. Step 3: Cross multiply
    112,100,516.40x = 168,150,774.60 × 89,425,700.40
  4. Step 4: Simplify right side
    112,100,516.40x = 15,037,000,791,407,530
  5. Step 5: Solve for x
    x = 15,037,000,791,407,530/112,100,516.40
  6. Step 6: Final answer
    x = 134,138,550.60

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1.5x scale

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.