Home / 201,141,453.40-301,641,321.30-71,753,284.60

Finding the Fourth Proportional to 201,141,453.40, 301,641,321.30 and 71,753,284.60

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Solution

The fourth proportional to 201,141,453.40, 301,641,321.30 and 71,753,284.60 is: 107,604,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,141,453.40 : 301,641,321.30 = 71,753,284.60 : x
  2. Step 2: Convert to fraction form
    201,141,453.40/301,641,321.30 = 71,753,284.60/x
  3. Step 3: Cross multiply
    201,141,453.40x = 301,641,321.30 × 71,753,284.60
  4. Step 4: Simplify right side
    201,141,453.40x = 21,643,755,574,358,940
  5. Step 5: Solve for x
    x = 21,643,755,574,358,940/201,141,453.40
  6. Step 6: Final answer
    x = 107,604,649.41

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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.