Home / 83,781,074.44-115,617,126.90-47,111,907.88

Finding the Fourth Proportional to 83,781,074.44, 115,617,126.90 and 47,111,907.88

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Solution

The fourth proportional to 83,781,074.44, 115,617,126.90 and 47,111,907.88 is: 65,014,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781,074.44 : 115,617,126.90 = 47,111,907.88 : x
  2. Step 2: Convert to fraction form
    83,781,074.44/115,617,126.90 = 47,111,907.88/x
  3. Step 3: Cross multiply
    83,781,074.44x = 115,617,126.90 × 47,111,907.88
  4. Step 4: Simplify right side
    83,781,074.44x = 5,446,943,431,863,071
  5. Step 5: Solve for x
    x = 5,446,943,431,863,071/83,781,074.44
  6. Step 6: Final answer
    x = 65,014,007.86

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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.