Home / 201,070,862.70-301,641,723.45-71,753,552.70

Finding the Fourth Proportional to 201,070,862.70, 301,641,723.45 and 71,753,552.70

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Solution

The fourth proportional to 201,070,862.70, 301,641,723.45 and 71,753,552.70 is: 107,642,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,070,862.70 : 301,641,723.45 = 71,753,552.70 : x
  2. Step 2: Convert to fraction form
    201,070,862.70/301,641,723.45 = 71,753,552.70/x
  3. Step 3: Cross multiply
    201,070,862.70x = 301,641,723.45 × 71,753,552.70
  4. Step 4: Simplify right side
    201,070,862.70x = 21,643,865,300,088,400
  5. Step 5: Solve for x
    x = 21,643,865,300,088,400/201,070,862.70
  6. Step 6: Final answer
    x = 107,642,972.28

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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.