Home / 137,930,351.64-190,390,009.81-82,193,256.27

Finding the Fourth Proportional to 137,930,351.64, 190,390,009.81 and 82,193,256.27

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Solution

The fourth proportional to 137,930,351.64, 190,390,009.81 and 82,193,256.27 is: 113,454,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,930,351.64 : 190,390,009.81 = 82,193,256.27 : x
  2. Step 2: Convert to fraction form
    137,930,351.64/190,390,009.81 = 82,193,256.27/x
  3. Step 3: Cross multiply
    137,930,351.64x = 190,390,009.81 × 82,193,256.27
  4. Step 4: Simplify right side
    137,930,351.64x = 15,648,774,867,561,144
  5. Step 5: Solve for x
    x = 15,648,774,867,561,144/137,930,351.64
  6. Step 6: Final answer
    x = 113,454,179.46

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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.