Home / 117,589,977.20-162,265,745.04-64,670,411

Finding the Fourth Proportional to 117,589,977.20, 162,265,745.04 and 64,670,411

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Solution

The fourth proportional to 117,589,977.20, 162,265,745.04 and 64,670,411 is: 89,240,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,589,977.20 : 162,265,745.04 = 64,670,411 : x
  2. Step 2: Convert to fraction form
    117,589,977.20/162,265,745.04 = 64,670,411/x
  3. Step 3: Cross multiply
    117,589,977.20x = 162,265,745.04 × 64,670,411
  4. Step 4: Simplify right side
    117,589,977.20x = 10,493,792,422,958,010
  5. Step 5: Solve for x
    x = 10,493,792,422,958,010/117,589,977.20
  6. Step 6: Final answer
    x = 89,240,534.55

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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.