Home / 99,808,000.20-149,712,000.30-56,809,830.60

Finding the Fourth Proportional to 99,808,000.20, 149,712,000.30 and 56,809,830.60

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Solution

The fourth proportional to 99,808,000.20, 149,712,000.30 and 56,809,830.60 is: 85,214,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,808,000.20 : 149,712,000.30 = 56,809,830.60 : x
  2. Step 2: Convert to fraction form
    99,808,000.20/149,712,000.30 = 56,809,830.60/x
  3. Step 3: Cross multiply
    99,808,000.20x = 149,712,000.30 × 56,809,830.60
  4. Step 4: Simplify right side
    99,808,000.20x = 8,505,113,375,830,150
  5. Step 5: Solve for x
    x = 8,505,113,375,830,150/99,808,000.20
  6. Step 6: Final answer
    x = 85,214,745.90

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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.