Home / 52,290,842.51-78,445,840.41-21,568,662.51

Finding the Fourth Proportional to 52,290,842.51, 78,445,840.41 and 21,568,662.51

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Solution

The fourth proportional to 52,290,842.51, 78,445,840.41 and 21,568,662.51 is: 32,356,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290,842.51 : 78,445,840.41 = 21,568,662.51 : x
  2. Step 2: Convert to fraction form
    52,290,842.51/78,445,840.41 = 21,568,662.51/x
  3. Step 3: Cross multiply
    52,290,842.51x = 78,445,840.41 × 21,568,662.51
  4. Step 4: Simplify right side
    52,290,842.51x = 1,691,971,857,116,610
  5. Step 5: Solve for x
    x = 1,691,971,857,116,610/52,290,842.51
  6. Step 6: Final answer
    x = 32,356,943.89

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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.