Home / 201,141,438.40-301,641,298.80-71,753,269.60

Finding the Fourth Proportional to 201,141,438.40, 301,641,298.80 and 71,753,269.60

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Solution

The fourth proportional to 201,141,438.40, 301,641,298.80 and 71,753,269.60 is: 107,604,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,141,438.40 : 301,641,298.80 = 71,753,269.60 : x
  2. Step 2: Convert to fraction form
    201,141,438.40/301,641,298.80 = 71,753,269.60/x
  3. Step 3: Cross multiply
    201,141,438.40x = 301,641,298.80 × 71,753,269.60
  4. Step 4: Simplify right side
    201,141,438.40x = 21,643,749,435,290,556
  5. Step 5: Solve for x
    x = 21,643,749,435,290,556/201,141,438.40
  6. Step 6: Final answer
    x = 107,604,626.91

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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.