Home / 54,262,600.45-74,880,825.64-31,056,938.53

Finding the Fourth Proportional to 54,262,600.45, 74,880,825.64 and 31,056,938.53

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Solution

The fourth proportional to 54,262,600.45, 74,880,825.64 and 31,056,938.53 is: 42,857,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262,600.45 : 74,880,825.64 = 31,056,938.53 : x
  2. Step 2: Convert to fraction form
    54,262,600.45/74,880,825.64 = 31,056,938.53/x
  3. Step 3: Cross multiply
    54,262,600.45x = 74,880,825.64 × 31,056,938.53
  4. Step 4: Simplify right side
    54,262,600.45x = 2,325,569,198,977,128
  5. Step 5: Solve for x
    x = 2,325,569,198,977,128/54,262,600.45
  6. Step 6: Final answer
    x = 42,857,680.61

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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.