Home / 112,139,912.70-168,028,785.45-63,473,039.10

Finding the Fourth Proportional to 112,139,912.70, 168,028,785.45 and 63,473,039.10

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Solution

The fourth proportional to 112,139,912.70, 168,028,785.45 and 63,473,039.10 is: 95,107,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,139,912.70 : 168,028,785.45 = 63,473,039.10 : x
  2. Step 2: Convert to fraction form
    112,139,912.70/168,028,785.45 = 63,473,039.10/x
  3. Step 3: Cross multiply
    112,139,912.70x = 168,028,785.45 × 63,473,039.10
  4. Step 4: Simplify right side
    112,139,912.70x = 10,665,297,668,793,360
  5. Step 5: Solve for x
    x = 10,665,297,668,793,360/112,139,912.70
  6. Step 6: Final answer
    x = 95,107,062.35

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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.