Home / 74,205,388.50-111,315,709.91-25,683,163.08

Finding the Fourth Proportional to 74,205,388.50, 111,315,709.91 and 25,683,163.08

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Solution

The fourth proportional to 74,205,388.50, 111,315,709.91 and 25,683,163.08 is: 38,527,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205,388.50 : 111,315,709.91 = 25,683,163.08 : x
  2. Step 2: Convert to fraction form
    74,205,388.50/111,315,709.91 = 25,683,163.08/x
  3. Step 3: Cross multiply
    74,205,388.50x = 111,315,709.91 × 25,683,163.08
  4. Step 4: Simplify right side
    74,205,388.50x = 2,858,939,530,984,502
  5. Step 5: Solve for x
    x = 2,858,939,530,984,502/74,205,388.50
  6. Step 6: Final answer
    x = 38,527,384.45

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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.