Home / 68,835,682.05-103,223,223.53-36,480,003.93

Finding the Fourth Proportional to 68,835,682.05, 103,223,223.53 and 36,480,003.93

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Solution

The fourth proportional to 68,835,682.05, 103,223,223.53 and 36,480,003.93 is: 54,703,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835,682.05 : 103,223,223.53 = 36,480,003.93 : x
  2. Step 2: Convert to fraction form
    68,835,682.05/103,223,223.53 = 36,480,003.93/x
  3. Step 3: Cross multiply
    68,835,682.05x = 103,223,223.53 × 36,480,003.93
  4. Step 4: Simplify right side
    68,835,682.05x = 3,765,583,600,346,686
  5. Step 5: Solve for x
    x = 3,765,583,600,346,686/68,835,682.05
  6. Step 6: Final answer
    x = 54,703,948.42

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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.