Home / 52,668,130.06-78,915,923.56-28,049,919.20

Finding the Fourth Proportional to 52,668,130.06, 78,915,923.56 and 28,049,919.20

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Solution

The fourth proportional to 52,668,130.06, 78,915,923.56 and 28,049,919.20 is: 42,028,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668,130.06 : 78,915,923.56 = 28,049,919.20 : x
  2. Step 2: Convert to fraction form
    52,668,130.06/78,915,923.56 = 28,049,919.20/x
  3. Step 3: Cross multiply
    52,668,130.06x = 78,915,923.56 × 28,049,919.20
  4. Step 4: Simplify right side
    52,668,130.06x = 2,213,585,279,387,794
  5. Step 5: Solve for x
    x = 2,213,585,279,387,794/52,668,130.06
  6. Step 6: Final answer
    x = 42,028,932.43

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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.