Home / 77,220,449.57-106,570,792.50-43,735,885.28

Finding the Fourth Proportional to 77,220,449.57, 106,570,792.50 and 43,735,885.28

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Solution

The fourth proportional to 77,220,449.57, 106,570,792.50 and 43,735,885.28 is: 60,359,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,220,449.57 : 106,570,792.50 = 43,735,885.28 : x
  2. Step 2: Convert to fraction form
    77,220,449.57/106,570,792.50 = 43,735,885.28/x
  3. Step 3: Cross multiply
    77,220,449.57x = 106,570,792.50 × 43,735,885.28
  4. Step 4: Simplify right side
    77,220,449.57x = 4,660,967,954,978,685
  5. Step 5: Solve for x
    x = 4,660,967,954,978,685/77,220,449.57
  6. Step 6: Final answer
    x = 60,359,243.97

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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.