Home / 47,470,499.20-71,205,748.80-45,557,311.60

Finding the Fourth Proportional to 47,470,499.20, 71,205,748.80 and 45,557,311.60

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Solution

The fourth proportional to 47,470,499.20, 71,205,748.80 and 45,557,311.60 is: 68,335,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,470,499.20 : 71,205,748.80 = 45,557,311.60 : x
  2. Step 2: Convert to fraction form
    47,470,499.20/71,205,748.80 = 45,557,311.60/x
  3. Step 3: Cross multiply
    47,470,499.20x = 71,205,748.80 × 45,557,311.60
  4. Step 4: Simplify right side
    47,470,499.20x = 3,243,942,485,792,926
  5. Step 5: Solve for x
    x = 3,243,942,485,792,926/47,470,499.20
  6. Step 6: Final answer
    x = 68,335,967.40

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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.