Home / 81,815,526.10-112,907,821.82-44,648,201.58

Finding the Fourth Proportional to 81,815,526.10, 112,907,821.82 and 44,648,201.58

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Solution

The fourth proportional to 81,815,526.10, 112,907,821.82 and 44,648,201.58 is: 61,615,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,815,526.10 : 112,907,821.82 = 44,648,201.58 : x
  2. Step 2: Convert to fraction form
    81,815,526.10/112,907,821.82 = 44,648,201.58/x
  3. Step 3: Cross multiply
    81,815,526.10x = 112,907,821.82 × 44,648,201.58
  4. Step 4: Simplify right side
    81,815,526.10x = 5,041,131,188,578,082
  5. Step 5: Solve for x
    x = 5,041,131,188,578,082/81,815,526.10
  6. Step 6: Final answer
    x = 61,615,825.61

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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.