Home / 145,156,732.40-217,436,500.20-73,393,583.60

Finding the Fourth Proportional to 145,156,732.40, 217,436,500.20 and 73,393,583.60

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Solution

The fourth proportional to 145,156,732.40, 217,436,500.20 and 73,393,583.60 is: 109,939,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,732.40 : 217,436,500.20 = 73,393,583.60 : x
  2. Step 2: Convert to fraction form
    145,156,732.40/217,436,500.20 = 73,393,583.60/x
  3. Step 3: Cross multiply
    145,156,732.40x = 217,436,500.20 × 73,393,583.60
  4. Step 4: Simplify right side
    145,156,732.40x = 15,958,443,955,120,114
  5. Step 5: Solve for x
    x = 15,958,443,955,120,114/145,156,732.40
  6. Step 6: Final answer
    x = 109,939,399.24

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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.