Home / 77,841,805.80-116,795,886.30-49,110,004.20

Finding the Fourth Proportional to 77,841,805.80, 116,795,886.30 and 49,110,004.20

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Solution

The fourth proportional to 77,841,805.80, 116,795,886.30 and 49,110,004.20 is: 73,685,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,805.80 : 116,795,886.30 = 49,110,004.20 : x
  2. Step 2: Convert to fraction form
    77,841,805.80/116,795,886.30 = 49,110,004.20/x
  3. Step 3: Cross multiply
    77,841,805.80x = 116,795,886.30 × 49,110,004.20
  4. Step 4: Simplify right side
    77,841,805.80x = 5,735,846,466,735,723
  5. Step 5: Solve for x
    x = 5,735,846,466,735,723/77,841,805.80
  6. Step 6: Final answer
    x = 73,685,937.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.