Home / 201,449,628.90-302,174,443.35-140,227,625.70

Finding the Fourth Proportional to 201,449,628.90, 302,174,443.35 and 140,227,625.70

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Solution

The fourth proportional to 201,449,628.90, 302,174,443.35 and 140,227,625.70 is: 210,341,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,449,628.90 : 302,174,443.35 = 140,227,625.70 : x
  2. Step 2: Convert to fraction form
    201,449,628.90/302,174,443.35 = 140,227,625.70/x
  3. Step 3: Cross multiply
    201,449,628.90x = 302,174,443.35 × 140,227,625.70
  4. Step 4: Simplify right side
    201,449,628.90x = 42,373,204,738,189,656
  5. Step 5: Solve for x
    x = 42,373,204,738,189,656/201,449,628.90
  6. Step 6: Final answer
    x = 210,341,438.55

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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.