Home / 74,667,634.81-103,008,647.39-71,205,820.85

Finding the Fourth Proportional to 74,667,634.81, 103,008,647.39 and 71,205,820.85

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Solution

The fourth proportional to 74,667,634.81, 103,008,647.39 and 71,205,820.85 is: 98,232,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667,634.81 : 103,008,647.39 = 71,205,820.85 : x
  2. Step 2: Convert to fraction form
    74,667,634.81/103,008,647.39 = 71,205,820.85/x
  3. Step 3: Cross multiply
    74,667,634.81x = 103,008,647.39 × 71,205,820.85
  4. Step 4: Simplify right side
    74,667,634.81x = 7,334,815,291,680,619
  5. Step 5: Solve for x
    x = 7,334,815,291,680,619/74,667,634.81
  6. Step 6: Final answer
    x = 98,232,859.66

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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.