Home / 201,275,655.60-301,807,195.20-86,130,105.60

Finding the Fourth Proportional to 201,275,655.60, 301,807,195.20 and 86,130,105.60

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Solution

The fourth proportional to 201,275,655.60, 301,807,195.20 and 86,130,105.60 is: 129,149,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,275,655.60 : 301,807,195.20 = 86,130,105.60 : x
  2. Step 2: Convert to fraction form
    201,275,655.60/301,807,195.20 = 86,130,105.60/x
  3. Step 3: Cross multiply
    201,275,655.60x = 301,807,195.20 × 86,130,105.60
  4. Step 4: Simplify right side
    201,275,655.60x = 25,994,685,593,415,812
  5. Step 5: Solve for x
    x = 25,994,685,593,415,812/201,275,655.60
  6. Step 6: Final answer
    x = 129,149,675.43

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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.