Home / 252,058,465.40-378,087,698.10-201,040,129.40

Finding the Fourth Proportional to 252,058,465.40, 378,087,698.10 and 201,040,129.40

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Solution

The fourth proportional to 252,058,465.40, 378,087,698.10 and 201,040,129.40 is: 301,560,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,465.40 : 378,087,698.10 = 201,040,129.40 : x
  2. Step 2: Convert to fraction form
    252,058,465.40/378,087,698.10 = 201,040,129.40/x
  3. Step 3: Cross multiply
    252,058,465.40x = 378,087,698.10 × 201,040,129.40
  4. Step 4: Simplify right side
    252,058,465.40x = 76,010,799,750,572,144
  5. Step 5: Solve for x
    x = 76,010,799,750,572,144/252,058,465.40
  6. Step 6: Final answer
    x = 301,560,194.10

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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.