Home / 171,766,309,098.90-257,563,262,589.57-100,078,990,365.18

Finding the Fourth Proportional to 171,766,309,098.90, 257,563,262,589.57 and 100,078,990,365.18

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Solution

The fourth proportional to 171,766,309,098.90, 257,563,262,589.57 and 100,078,990,365.18 is: 150,068,260,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,766,309,098.90 : 257,563,262,589.57 = 100,078,990,365.18 : x
  2. Step 2: Convert to fraction form
    171,766,309,098.90/257,563,262,589.57 = 100,078,990,365.18/x
  3. Step 3: Cross multiply
    171,766,309,098.90x = 257,563,262,589.57 × 100,078,990,365.18
  4. Step 4: Simplify right side
    171,766,309,098.90x = 25,776,671,275,125,902,934,016
  5. Step 5: Solve for x
    x = 25,776,671,275,125,902,934,016/171,766,309,098.90
  6. Step 6: Final answer
    x = 150,068,260,826.89

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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.