Home / 103,576,873.23-142,989,887.55-75,668,249.12

Finding the Fourth Proportional to 103,576,873.23, 142,989,887.55 and 75,668,249.12

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Solution

The fourth proportional to 103,576,873.23, 142,989,887.55 and 75,668,249.12 is: 104,461,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,576,873.23 : 142,989,887.55 = 75,668,249.12 : x
  2. Step 2: Convert to fraction form
    103,576,873.23/142,989,887.55 = 75,668,249.12/x
  3. Step 3: Cross multiply
    103,576,873.23x = 142,989,887.55 × 75,668,249.12
  4. Step 4: Simplify right side
    103,576,873.23x = 10,819,794,432,342,992
  5. Step 5: Solve for x
    x = 10,819,794,432,342,992/103,576,873.23
  6. Step 6: Final answer
    x = 104,461,489.28

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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.