Home / 112,096,000.20-168,144,000.30-61,077,664.20

Finding the Fourth Proportional to 112,096,000.20, 168,144,000.30 and 61,077,664.20

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Solution

The fourth proportional to 112,096,000.20, 168,144,000.30 and 61,077,664.20 is: 91,616,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096,000.20 : 168,144,000.30 = 61,077,664.20 : x
  2. Step 2: Convert to fraction form
    112,096,000.20/168,144,000.30 = 61,077,664.20/x
  3. Step 3: Cross multiply
    112,096,000.20x = 168,144,000.30 × 61,077,664.20
  4. Step 4: Simplify right side
    112,096,000.20x = 10,269,842,787,568,100
  5. Step 5: Solve for x
    x = 10,269,842,787,568,100/112,096,000.20
  6. Step 6: Final answer
    x = 91,616,496.30

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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.