Home / 74,205,389-111,315,710.66-25,683,163.58

Finding the Fourth Proportional to 74,205,389, 111,315,710.66 and 25,683,163.58

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Solution

The fourth proportional to 74,205,389, 111,315,710.66 and 25,683,163.58 is: 38,527,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,205,389 : 111,315,710.66 = 25,683,163.58 : x
  2. Step 2: Convert to fraction form
    74,205,389/111,315,710.66 = 25,683,163.58/x
  3. Step 3: Cross multiply
    74,205,389x = 111,315,710.66 × 25,683,163.58
  4. Step 4: Simplify right side
    74,205,389x = 2,858,939,605,904,729.50
  5. Step 5: Solve for x
    x = 2,858,939,605,904,729.50/74,205,389
  6. Step 6: Final answer
    x = 38,527,385.20

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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.