Home / 105,575,998.40-158,363,997.60-53,919,933.20

Finding the Fourth Proportional to 105,575,998.40, 158,363,997.60 and 53,919,933.20

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Solution

The fourth proportional to 105,575,998.40, 158,363,997.60 and 53,919,933.20 is: 80,879,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,575,998.40 : 158,363,997.60 = 53,919,933.20 : x
  2. Step 2: Convert to fraction form
    105,575,998.40/158,363,997.60 = 53,919,933.20/x
  3. Step 3: Cross multiply
    105,575,998.40x = 158,363,997.60 × 53,919,933.20
  4. Step 4: Simplify right side
    105,575,998.40x = 8,538,976,171,876,960
  5. Step 5: Solve for x
    x = 8,538,976,171,876,960/105,575,998.40
  6. Step 6: Final answer
    x = 80,879,899.80

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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.