Home / 110,668,465.80-166,049,937.90-53,131,120.20

Finding the Fourth Proportional to 110,668,465.80, 166,049,937.90 and 53,131,120.20

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Solution

The fourth proportional to 110,668,465.80, 166,049,937.90 and 53,131,120.20 is: 79,719,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,668,465.80 : 166,049,937.90 = 53,131,120.20 : x
  2. Step 2: Convert to fraction form
    110,668,465.80/166,049,937.90 = 53,131,120.20/x
  3. Step 3: Cross multiply
    110,668,465.80x = 166,049,937.90 × 53,131,120.20
  4. Step 4: Simplify right side
    110,668,465.80x = 8,822,419,209,767,436
  5. Step 5: Solve for x
    x = 8,822,419,209,767,436/110,668,465.80
  6. Step 6: Final answer
    x = 79,719,359.49

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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.