Home / 105,521,367.48-158,048,187.98-81,080,388.60

Finding the Fourth Proportional to 105,521,367.48, 158,048,187.98 and 81,080,388.60

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Solution

The fourth proportional to 105,521,367.48, 158,048,187.98 and 81,080,388.60 is: 121,440,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,521,367.48 : 158,048,187.98 = 81,080,388.60 : x
  2. Step 2: Convert to fraction form
    105,521,367.48/158,048,187.98 = 81,080,388.60/x
  3. Step 3: Cross multiply
    105,521,367.48x = 158,048,187.98 × 81,080,388.60
  4. Step 4: Simplify right side
    105,521,367.48x = 12,814,608,498,944,248
  5. Step 5: Solve for x
    x = 12,814,608,498,944,248/105,521,367.48
  6. Step 6: Final answer
    x = 121,440,887.33

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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.