Home / 101,231,154.92-139,698,780.62-54,821,265.32

Finding the Fourth Proportional to 101,231,154.92, 139,698,780.62 and 54,821,265.32

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Solution

The fourth proportional to 101,231,154.92, 139,698,780.62 and 54,821,265.32 is: 75,653,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,231,154.92 : 139,698,780.62 = 54,821,265.32 : x
  2. Step 2: Convert to fraction form
    101,231,154.92/139,698,780.62 = 54,821,265.32/x
  3. Step 3: Cross multiply
    101,231,154.92x = 139,698,780.62 × 54,821,265.32
  4. Step 4: Simplify right side
    101,231,154.92x = 7,658,463,917,249,494
  5. Step 5: Solve for x
    x = 7,658,463,917,249,494/101,231,154.92
  6. Step 6: Final answer
    x = 75,653,230.70

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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.