Home / 168,260,929.20-252,415,013.40-53,233,477.20

Finding the Fourth Proportional to 168,260,929.20, 252,415,013.40 and 53,233,477.20

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Solution

The fourth proportional to 168,260,929.20, 252,415,013.40 and 53,233,477.20 is: 79,857,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,260,929.20 : 252,415,013.40 = 53,233,477.20 : x
  2. Step 2: Convert to fraction form
    168,260,929.20/252,415,013.40 = 53,233,477.20/x
  3. Step 3: Cross multiply
    168,260,929.20x = 252,415,013.40 × 53,233,477.20
  4. Step 4: Simplify right side
    168,260,929.20x = 13,436,928,860,766,596
  5. Step 5: Solve for x
    x = 13,436,928,860,766,596/168,260,929.20
  6. Step 6: Final answer
    x = 79,857,688.44

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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.