Home / 69,189,776.37-103,810,802.95-41,542,971.21

Finding the Fourth Proportional to 69,189,776.37, 103,810,802.95 and 41,542,971.21

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Solution

The fourth proportional to 69,189,776.37, 103,810,802.95 and 41,542,971.21 is: 62,330,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,189,776.37 : 103,810,802.95 = 41,542,971.21 : x
  2. Step 2: Convert to fraction form
    69,189,776.37/103,810,802.95 = 41,542,971.21/x
  3. Step 3: Cross multiply
    69,189,776.37x = 103,810,802.95 × 41,542,971.21
  4. Step 4: Simplify right side
    69,189,776.37x = 4,312,609,198,290,762
  5. Step 5: Solve for x
    x = 4,312,609,198,290,762/69,189,776.37
  6. Step 6: Final answer
    x = 62,330,150.85

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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.