Home / 201,011,458.60-301,517,187.90-71,765,007.40

Finding the Fourth Proportional to 201,011,458.60, 301,517,187.90 and 71,765,007.40

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Solution

The fourth proportional to 201,011,458.60, 301,517,187.90 and 71,765,007.40 is: 107,647,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011,458.60 : 301,517,187.90 = 71,765,007.40 : x
  2. Step 2: Convert to fraction form
    201,011,458.60/301,517,187.90 = 71,765,007.40/x
  3. Step 3: Cross multiply
    201,011,458.60x = 301,517,187.90 × 71,765,007.40
  4. Step 4: Simplify right side
    201,011,458.60x = 21,638,383,220,870,692
  5. Step 5: Solve for x
    x = 21,638,383,220,870,692/201,011,458.60
  6. Step 6: Final answer
    x = 107,647,511.10

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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.