Home / 81,765,716.86-112,854,151.38-46,977,589

Finding the Fourth Proportional to 81,765,716.86, 112,854,151.38 and 46,977,589

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Solution

The fourth proportional to 81,765,716.86, 112,854,151.38 and 46,977,589 is: 64,839,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765,716.86 : 112,854,151.38 = 46,977,589 : x
  2. Step 2: Convert to fraction form
    81,765,716.86/112,854,151.38 = 46,977,589/x
  3. Step 3: Cross multiply
    81,765,716.86x = 112,854,151.38 × 46,977,589
  4. Step 4: Simplify right side
    81,765,716.86x = 5,301,615,940,473,423
  5. Step 5: Solve for x
    x = 5,301,615,940,473,423/81,765,716.86
  6. Step 6: Final answer
    x = 64,839,105.48

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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.