Home / 81,421,047.36-112,361,912.64-44,251,326.72

Finding the Fourth Proportional to 81,421,047.36, 112,361,912.64 and 44,251,326.72

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Solution

The fourth proportional to 81,421,047.36, 112,361,912.64 and 44,251,326.72 is: 61,067,302.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,421,047.36 : 112,361,912.64 = 44,251,326.72 : x
  2. Step 2: Convert to fraction form
    81,421,047.36/112,361,912.64 = 44,251,326.72/x
  3. Step 3: Cross multiply
    81,421,047.36x = 112,361,912.64 × 44,251,326.72
  4. Step 4: Simplify right side
    81,421,047.36x = 4,972,163,707,116,738
  5. Step 5: Solve for x
    x = 4,972,163,707,116,738/81,421,047.36
  6. Step 6: Final answer
    x = 61,067,302.23

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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.