Home / 145,156,660.80-217,734,991.20-133,567,310.40

Finding the Fourth Proportional to 145,156,660.80, 217,734,991.20 and 133,567,310.40

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Solution

The fourth proportional to 145,156,660.80, 217,734,991.20 and 133,567,310.40 is: 200,350,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,660.80 : 217,734,991.20 = 133,567,310.40 : x
  2. Step 2: Convert to fraction form
    145,156,660.80/217,734,991.20 = 133,567,310.40/x
  3. Step 3: Cross multiply
    145,156,660.80x = 217,734,991.20 × 133,567,310.40
  4. Step 4: Simplify right side
    145,156,660.80x = 29,082,277,154,551,668
  5. Step 5: Solve for x
    x = 29,082,277,154,551,668/145,156,660.80
  6. Step 6: Final answer
    x = 200,350,965.60

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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.