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Finding the Fourth Proportional to 69,902,335.44, 104,853,412.44 and 18,784,354.32

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Solution

The fourth proportional to 69,902,335.44, 104,853,412.44 and 18,784,354.32 is: 28,176,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,902,335.44 : 104,853,412.44 = 18,784,354.32 : x
  2. Step 2: Convert to fraction form
    69,902,335.44/104,853,412.44 = 18,784,354.32/x
  3. Step 3: Cross multiply
    69,902,335.44x = 104,853,412.44 × 18,784,354.32
  4. Step 4: Simplify right side
    69,902,335.44x = 1,969,603,650,934,055.75
  5. Step 5: Solve for x
    x = 1,969,603,650,934,055.75/69,902,335.44
  6. Step 6: Final answer
    x = 28,176,507.10

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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.