Home / 81,815,385.69-112,907,627.96-44,648,060.90

Finding the Fourth Proportional to 81,815,385.69, 112,907,627.96 and 44,648,060.90

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Solution

The fourth proportional to 81,815,385.69, 112,907,627.96 and 44,648,060.90 is: 61,615,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,385.69 : 112,907,627.96 = 44,648,060.90 : x
  2. Step 2: Convert to fraction form
    81,815,385.69/112,907,627.96 = 44,648,060.90/x
  3. Step 3: Cross multiply
    81,815,385.69x = 112,907,627.96 × 44,648,060.90
  4. Step 4: Simplify right side
    81,815,385.69x = 5,041,106,648,444,845
  5. Step 5: Solve for x
    x = 5,041,106,648,444,845/81,815,385.69
  6. Step 6: Final answer
    x = 61,615,631.41

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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.