Home / 69,149,163.81-95,425,814.55-38,209,062.45

Finding the Fourth Proportional to 69,149,163.81, 95,425,814.55 and 38,209,062.45

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Solution

The fourth proportional to 69,149,163.81, 95,425,814.55 and 38,209,062.45 is: 52,728,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,149,163.81 : 95,425,814.55 = 38,209,062.45 : x
  2. Step 2: Convert to fraction form
    69,149,163.81/95,425,814.55 = 38,209,062.45/x
  3. Step 3: Cross multiply
    69,149,163.81x = 95,425,814.55 × 38,209,062.45
  4. Step 4: Simplify right side
    69,149,163.81x = 3,646,130,907,483,069
  5. Step 5: Solve for x
    x = 3,646,130,907,483,069/69,149,163.81
  6. Step 6: Final answer
    x = 52,728,488.77

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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.