Home / 137,934,539.45-190,395,790.11-82,197,437.94

Finding the Fourth Proportional to 137,934,539.45, 190,395,790.11 and 82,197,437.94

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Solution

The fourth proportional to 137,934,539.45, 190,395,790.11 and 82,197,437.94 is: 113,459,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,934,539.45 : 190,395,790.11 = 82,197,437.94 : x
  2. Step 2: Convert to fraction form
    137,934,539.45/190,395,790.11 = 82,197,437.94/x
  3. Step 3: Cross multiply
    137,934,539.45x = 190,395,790.11 × 82,197,437.94
  4. Step 4: Simplify right side
    137,934,539.45x = 15,650,046,141,603,992
  5. Step 5: Solve for x
    x = 15,650,046,141,603,992/137,934,539.45
  6. Step 6: Final answer
    x = 113,459,951.40

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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.