Home / 69,039,670-95,277,031.48-37,679,431.28

Finding the Fourth Proportional to 69,039,670, 95,277,031.48 and 37,679,431.28

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Solution

The fourth proportional to 69,039,670, 95,277,031.48 and 37,679,431.28 is: 51,998,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,039,670 : 95,277,031.48 = 37,679,431.28 : x
  2. Step 2: Convert to fraction form
    69,039,670/95,277,031.48 = 37,679,431.28/x
  3. Step 3: Cross multiply
    69,039,670x = 95,277,031.48 × 37,679,431.28
  4. Step 4: Simplify right side
    69,039,670x = 3,589,984,360,213,057
  5. Step 5: Solve for x
    x = 3,589,984,360,213,057/69,039,670
  6. Step 6: Final answer
    x = 51,998,863.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.