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Finding the Fourth Proportional to 78,902,274.65, 108,889,973.17 and 44,097,744.29

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Solution

The fourth proportional to 78,902,274.65, 108,889,973.17 and 44,097,744.29 is: 60,857,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,902,274.65 : 108,889,973.17 = 44,097,744.29 : x
  2. Step 2: Convert to fraction form
    78,902,274.65/108,889,973.17 = 44,097,744.29/x
  3. Step 3: Cross multiply
    78,902,274.65x = 108,889,973.17 × 44,097,744.29
  4. Step 4: Simplify right side
    78,902,274.65x = 4,801,802,191,940,926
  5. Step 5: Solve for x
    x = 4,801,802,191,940,926/78,902,274.65
  6. Step 6: Final answer
    x = 60,857,588.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.