Home / 81,682,500.15-122,523,750.23-63,188,353.35

Finding the Fourth Proportional to 81,682,500.15, 122,523,750.23 and 63,188,353.35

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Solution

The fourth proportional to 81,682,500.15, 122,523,750.23 and 63,188,353.35 is: 94,782,530.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,682,500.15 : 122,523,750.23 = 63,188,353.35 : x
  2. Step 2: Convert to fraction form
    81,682,500.15/122,523,750.23 = 63,188,353.35/x
  3. Step 3: Cross multiply
    81,682,500.15x = 122,523,750.23 × 63,188,353.35
  4. Step 4: Simplify right side
    81,682,500.15x = 7,742,074,022,984,442
  5. Step 5: Solve for x
    x = 7,742,074,022,984,442/81,682,500.15
  6. Step 6: Final answer
    x = 94,782,530.03

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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.