Home / 85,469,087.40-128,203,631.10-24,886,789.80

Finding the Fourth Proportional to 85,469,087.40, 128,203,631.10 and 24,886,789.80

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Solution

The fourth proportional to 85,469,087.40, 128,203,631.10 and 24,886,789.80 is: 37,330,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469,087.40 : 128,203,631.10 = 24,886,789.80 : x
  2. Step 2: Convert to fraction form
    85,469,087.40/128,203,631.10 = 24,886,789.80/x
  3. Step 3: Cross multiply
    85,469,087.40x = 128,203,631.10 × 24,886,789.80
  4. Step 4: Simplify right side
    85,469,087.40x = 3,190,576,818,782,442.50
  5. Step 5: Solve for x
    x = 3,190,576,818,782,442.50/85,469,087.40
  6. Step 6: Final answer
    x = 37,330,184.70

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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.