Home / 77,220,448.57-106,570,791.12-43,735,884.28

Finding the Fourth Proportional to 77,220,448.57, 106,570,791.12 and 43,735,884.28

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Solution

The fourth proportional to 77,220,448.57, 106,570,791.12 and 43,735,884.28 is: 60,359,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220,448.57 : 106,570,791.12 = 43,735,884.28 : x
  2. Step 2: Convert to fraction form
    77,220,448.57/106,570,791.12 = 43,735,884.28/x
  3. Step 3: Cross multiply
    77,220,448.57x = 106,570,791.12 × 43,735,884.28
  4. Step 4: Simplify right side
    77,220,448.57x = 4,660,967,787,895,285
  5. Step 5: Solve for x
    x = 4,660,967,787,895,285/77,220,448.57
  6. Step 6: Final answer
    x = 60,359,242.58

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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.