Home / 48,588,321.73-66,694,969.66-42,958,368.64

Finding the Fourth Proportional to 48,588,321.73, 66,694,969.66 and 42,958,368.64

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Solution

The fourth proportional to 48,588,321.73, 66,694,969.66 and 42,958,368.64 is: 58,966,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,588,321.73 : 66,694,969.66 = 42,958,368.64 : x
  2. Step 2: Convert to fraction form
    48,588,321.73/66,694,969.66 = 42,958,368.64/x
  3. Step 3: Cross multiply
    48,588,321.73x = 66,694,969.66 × 42,958,368.64
  4. Step 4: Simplify right side
    48,588,321.73x = 2,865,107,093,005,078
  5. Step 5: Solve for x
    x = 2,865,107,093,005,078/48,588,321.73
  6. Step 6: Final answer
    x = 58,966,990.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.