Home / 47,236,815.40-70,810,640.70-25,639,580.20

Finding the Fourth Proportional to 47,236,815.40, 70,810,640.70 and 25,639,580.20

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Solution

The fourth proportional to 47,236,815.40, 70,810,640.70 and 25,639,580.20 is: 38,435,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,236,815.40 : 70,810,640.70 = 25,639,580.20 : x
  2. Step 2: Convert to fraction form
    47,236,815.40/70,810,640.70 = 25,639,580.20/x
  3. Step 3: Cross multiply
    47,236,815.40x = 70,810,640.70 × 25,639,580.20
  4. Step 4: Simplify right side
    47,236,815.40x = 1,815,555,101,241,034.25
  5. Step 5: Solve for x
    x = 1,815,555,101,241,034.25/47,236,815.40
  6. Step 6: Final answer
    x = 38,435,171.50

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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.