Home / 137,905,241.45-190,310,533.56-76,027,794.35

Finding the Fourth Proportional to 137,905,241.45, 190,310,533.56 and 76,027,794.35

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Solution

The fourth proportional to 137,905,241.45, 190,310,533.56 and 76,027,794.35 is: 104,919,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,241.45 : 190,310,533.56 = 76,027,794.35 : x
  2. Step 2: Convert to fraction form
    137,905,241.45/190,310,533.56 = 76,027,794.35/x
  3. Step 3: Cross multiply
    137,905,241.45x = 190,310,533.56 × 76,027,794.35
  4. Step 4: Simplify right side
    137,905,241.45x = 14,468,890,107,186,900
  5. Step 5: Solve for x
    x = 14,468,890,107,186,900/137,905,241.45
  6. Step 6: Final answer
    x = 104,919,073.09

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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.