Home / 113,646,968.43-156,875,465.93-74,491,268.52

Finding the Fourth Proportional to 113,646,968.43, 156,875,465.93 and 74,491,268.52

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Solution

The fourth proportional to 113,646,968.43, 156,875,465.93 and 74,491,268.52 is: 102,825,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,646,968.43 : 156,875,465.93 = 74,491,268.52 : x
  2. Step 2: Convert to fraction form
    113,646,968.43/156,875,465.93 = 74,491,268.52/x
  3. Step 3: Cross multiply
    113,646,968.43x = 156,875,465.93 × 74,491,268.52
  4. Step 4: Simplify right side
    113,646,968.43x = 11,685,852,456,419,286
  5. Step 5: Solve for x
    x = 11,685,852,456,419,286/113,646,968.43
  6. Step 6: Final answer
    x = 102,825,905.68

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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.