Home / 218,823,351.20-328,235,026.80-167,805,015.20

Finding the Fourth Proportional to 218,823,351.20, 328,235,026.80 and 167,805,015.20

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Solution

The fourth proportional to 218,823,351.20, 328,235,026.80 and 167,805,015.20 is: 251,707,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,823,351.20 : 328,235,026.80 = 167,805,015.20 : x
  2. Step 2: Convert to fraction form
    218,823,351.20/328,235,026.80 = 167,805,015.20/x
  3. Step 3: Cross multiply
    218,823,351.20x = 328,235,026.80 × 167,805,015.20
  4. Step 4: Simplify right side
    218,823,351.20x = 55,079,483,661,346,408
  5. Step 5: Solve for x
    x = 55,079,483,661,346,408/218,823,351.20
  6. Step 6: Final answer
    x = 251,707,522.80

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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.