Home / 636,054,090.90-954,093,092.75-199,345,106.36

Finding the Fourth Proportional to 636,054,090.90, 954,093,092.75 and 199,345,106.36

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Solution

The fourth proportional to 636,054,090.90, 954,093,092.75 and 199,345,106.36 is: 299,021,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,054,090.90 : 954,093,092.75 = 199,345,106.36 : x
  2. Step 2: Convert to fraction form
    636,054,090.90/954,093,092.75 = 199,345,106.36/x
  3. Step 3: Cross multiply
    636,054,090.90x = 954,093,092.75 × 199,345,106.36
  4. Step 4: Simplify right side
    636,054,090.90x = 190,193,789,051,590,112
  5. Step 5: Solve for x
    x = 190,193,789,051,590,112/636,054,090.90
  6. Step 6: Final answer
    x = 299,021,406.78

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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.