Home / 113,356,344.38-156,392,606.93-68,716,629.05

Finding the Fourth Proportional to 113,356,344.38, 156,392,606.93 and 68,716,629.05

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Solution

The fourth proportional to 113,356,344.38, 156,392,606.93 and 68,716,629.05 is: 94,805,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,356,344.38 : 156,392,606.93 = 68,716,629.05 : x
  2. Step 2: Convert to fraction form
    113,356,344.38/156,392,606.93 = 68,716,629.05/x
  3. Step 3: Cross multiply
    113,356,344.38x = 156,392,606.93 × 68,716,629.05
  4. Step 4: Simplify right side
    113,356,344.38x = 10,746,772,755,445,724
  5. Step 5: Solve for x
    x = 10,746,772,755,445,724/113,356,344.38
  6. Step 6: Final answer
    x = 94,805,216.37

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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.