Home / 168,435,493.10-252,677,340.72-51,860,712.61

Finding the Fourth Proportional to 168,435,493.10, 252,677,340.72 and 51,860,712.61

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Solution

The fourth proportional to 168,435,493.10, 252,677,340.72 and 51,860,712.61 is: 77,798,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,493.10 : 252,677,340.72 = 51,860,712.61 : x
  2. Step 2: Convert to fraction form
    168,435,493.10/252,677,340.72 = 51,860,712.61/x
  3. Step 3: Cross multiply
    168,435,493.10x = 252,677,340.72 × 51,860,712.61
  4. Step 4: Simplify right side
    168,435,493.10x = 13,104,026,949,879,666
  5. Step 5: Solve for x
    x = 13,104,026,949,879,666/168,435,493.10
  6. Step 6: Final answer
    x = 77,798,489.55

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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.