Home / 112,139,900.20-168,028,766.70-63,473,026.60

Finding the Fourth Proportional to 112,139,900.20, 168,028,766.70 and 63,473,026.60

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Solution

The fourth proportional to 112,139,900.20, 168,028,766.70 and 63,473,026.60 is: 95,107,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,139,900.20 : 168,028,766.70 = 63,473,026.60 : x
  2. Step 2: Convert to fraction form
    112,139,900.20/168,028,766.70 = 63,473,026.60/x
  3. Step 3: Cross multiply
    112,139,900.20x = 168,028,766.70 × 63,473,026.60
  4. Step 4: Simplify right side
    112,139,900.20x = 10,665,294,378,314,294
  5. Step 5: Solve for x
    x = 10,665,294,378,314,294/112,139,900.20
  6. Step 6: Final answer
    x = 95,107,043.61

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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.