Home / 81,772,128.44-112,846,893.33-44,602,418.40

Finding the Fourth Proportional to 81,772,128.44, 112,846,893.33 and 44,602,418.40

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Solution

The fourth proportional to 81,772,128.44, 112,846,893.33 and 44,602,418.40 is: 61,552,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,772,128.44 : 112,846,893.33 = 44,602,418.40 : x
  2. Step 2: Convert to fraction form
    81,772,128.44/112,846,893.33 = 44,602,418.40/x
  3. Step 3: Cross multiply
    81,772,128.44x = 112,846,893.33 × 44,602,418.40
  4. Step 4: Simplify right side
    81,772,128.44x = 5,033,244,351,444,829
  5. Step 5: Solve for x
    x = 5,033,244,351,444,829/81,772,128.44
  6. Step 6: Final answer
    x = 61,552,077.07

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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.