Home / 55,511,351.64-76,613,678.24-31,985,382.60

Finding the Fourth Proportional to 55,511,351.64, 76,613,678.24 and 31,985,382.60

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Solution

The fourth proportional to 55,511,351.64, 76,613,678.24 and 31,985,382.60 is: 44,144,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511,351.64 : 76,613,678.24 = 31,985,382.60 : x
  2. Step 2: Convert to fraction form
    55,511,351.64/76,613,678.24 = 31,985,382.60/x
  3. Step 3: Cross multiply
    55,511,351.64x = 76,613,678.24 × 31,985,382.60
  4. Step 4: Simplify right side
    55,511,351.64x = 2,450,517,810,739,768
  5. Step 5: Solve for x
    x = 2,450,517,810,739,768/55,511,351.64
  6. Step 6: Final answer
    x = 44,144,445.03

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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.