Home / 88,000,512.40-132,000,768.60-69,860,659.60

Finding the Fourth Proportional to 88,000,512.40, 132,000,768.60 and 69,860,659.60

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Solution

The fourth proportional to 88,000,512.40, 132,000,768.60 and 69,860,659.60 is: 104,790,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000,512.40 : 132,000,768.60 = 69,860,659.60 : x
  2. Step 2: Convert to fraction form
    88,000,512.40/132,000,768.60 = 69,860,659.60/x
  3. Step 3: Cross multiply
    88,000,512.40x = 132,000,768.60 × 69,860,659.60
  4. Step 4: Simplify right side
    88,000,512.40x = 9,221,660,762,102,968
  5. Step 5: Solve for x
    x = 9,221,660,762,102,968/88,000,512.40
  6. Step 6: Final answer
    x = 104,790,989.40

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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.