Home / 147,009,653.37-220,520,564.82-43,378,858.44

Finding the Fourth Proportional to 147,009,653.37, 220,520,564.82 and 43,378,858.44

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Solution

The fourth proportional to 147,009,653.37, 220,520,564.82 and 43,378,858.44 is: 65,070,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,009,653.37 : 220,520,564.82 = 43,378,858.44 : x
  2. Step 2: Convert to fraction form
    147,009,653.37/220,520,564.82 = 43,378,858.44/x
  3. Step 3: Cross multiply
    147,009,653.37x = 220,520,564.82 × 43,378,858.44
  4. Step 4: Simplify right side
    147,009,653.37x = 9,565,930,364,435,624
  5. Step 5: Solve for x
    x = 9,565,930,364,435,624/147,009,653.37
  6. Step 6: Final answer
    x = 65,070,083.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.