Home / 81,815,387.70-112,907,630.72-44,648,062.90

Finding the Fourth Proportional to 81,815,387.70, 112,907,630.72 and 44,648,062.90

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Solution

The fourth proportional to 81,815,387.70, 112,907,630.72 and 44,648,062.90 is: 61,615,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,387.70 : 112,907,630.72 = 44,648,062.90 : x
  2. Step 2: Convert to fraction form
    81,815,387.70/112,907,630.72 = 44,648,062.90/x
  3. Step 3: Cross multiply
    81,815,387.70x = 112,907,630.72 × 44,648,062.90
  4. Step 4: Simplify right side
    81,815,387.70x = 5,041,106,998,276,532
  5. Step 5: Solve for x
    x = 5,041,106,998,276,532/81,815,387.70
  6. Step 6: Final answer
    x = 61,615,634.17

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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.