Home / 147,629,445.20-221,444,167.80-38,454,405.20

Finding the Fourth Proportional to 147,629,445.20, 221,444,167.80 and 38,454,405.20

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Solution

The fourth proportional to 147,629,445.20, 221,444,167.80 and 38,454,405.20 is: 57,681,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629,445.20 : 221,444,167.80 = 38,454,405.20 : x
  2. Step 2: Convert to fraction form
    147,629,445.20/221,444,167.80 = 38,454,405.20/x
  3. Step 3: Cross multiply
    147,629,445.20x = 221,444,167.80 × 38,454,405.20
  4. Step 4: Simplify right side
    147,629,445.20x = 8,515,503,757,757,994
  5. Step 5: Solve for x
    x = 8,515,503,757,757,994/147,629,445.20
  6. Step 6: Final answer
    x = 57,681,607.80

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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.