Home / 73,294,816.80-109,942,225.20-66,570,823.20

Finding the Fourth Proportional to 73,294,816.80, 109,942,225.20 and 66,570,823.20

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Solution

The fourth proportional to 73,294,816.80, 109,942,225.20 and 66,570,823.20 is: 99,856,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,294,816.80 : 109,942,225.20 = 66,570,823.20 : x
  2. Step 2: Convert to fraction form
    73,294,816.80/109,942,225.20 = 66,570,823.20/x
  3. Step 3: Cross multiply
    73,294,816.80x = 109,942,225.20 × 66,570,823.20
  4. Step 4: Simplify right side
    73,294,816.80x = 7,318,944,436,003,785
  5. Step 5: Solve for x
    x = 7,318,944,436,003,785/73,294,816.80
  6. Step 6: Final answer
    x = 99,856,234.80

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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.