Home / 103,958,821.13-143,464,306.89-57,549,850.07

Finding the Fourth Proportional to 103,958,821.13, 143,464,306.89 and 57,549,850.07

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Solution

The fourth proportional to 103,958,821.13, 143,464,306.89 and 57,549,850.07 is: 79,419,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958,821.13 : 143,464,306.89 = 57,549,850.07 : x
  2. Step 2: Convert to fraction form
    103,958,821.13/143,464,306.89 = 57,549,850.07/x
  3. Step 3: Cross multiply
    103,958,821.13x = 143,464,306.89 × 57,549,850.07
  4. Step 4: Simplify right side
    103,958,821.13x = 8,256,349,351,198,645
  5. Step 5: Solve for x
    x = 8,256,349,351,198,645/103,958,821.13
  6. Step 6: Final answer
    x = 79,419,420.71

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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.