Home / 81,989,860.59-113,146,760.49-46,707,142.77

Finding the Fourth Proportional to 81,989,860.59, 113,146,760.49 and 46,707,142.77

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Solution

The fourth proportional to 81,989,860.59, 113,146,760.49 and 46,707,142.77 is: 64,456,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,989,860.59 : 113,146,760.49 = 46,707,142.77 : x
  2. Step 2: Convert to fraction form
    81,989,860.59/113,146,760.49 = 46,707,142.77/x
  3. Step 3: Cross multiply
    81,989,860.59x = 113,146,760.49 × 46,707,142.77
  4. Step 4: Simplify right side
    81,989,860.59x = 5,284,761,896,169,425
  5. Step 5: Solve for x
    x = 5,284,761,896,169,425/81,989,860.59
  6. Step 6: Final answer
    x = 64,456,285.91

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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.