Home / 137,899,753.68-190,302,236.28-76,018,734.48

Finding the Fourth Proportional to 137,899,753.68, 190,302,236.28 and 76,018,734.48

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Solution

The fourth proportional to 137,899,753.68, 190,302,236.28 and 76,018,734.48 is: 104,906,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,899,753.68 : 190,302,236.28 = 76,018,734.48 : x
  2. Step 2: Convert to fraction form
    137,899,753.68/190,302,236.28 = 76,018,734.48/x
  3. Step 3: Cross multiply
    137,899,753.68x = 190,302,236.28 × 76,018,734.48
  4. Step 4: Simplify right side
    137,899,753.68x = 14,466,535,170,719,544
  5. Step 5: Solve for x
    x = 14,466,535,170,719,544/137,899,753.68
  6. Step 6: Final answer
    x = 104,906,171.22

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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.