Home / 215,794,213.56-323,552,148.75-84,649,740.13

Finding the Fourth Proportional to 215,794,213.56, 323,552,148.75 and 84,649,740.13

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Solution

The fourth proportional to 215,794,213.56, 323,552,148.75 and 84,649,740.13 is: 126,920,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,794,213.56 : 323,552,148.75 = 84,649,740.13 : x
  2. Step 2: Convert to fraction form
    215,794,213.56/323,552,148.75 = 84,649,740.13/x
  3. Step 3: Cross multiply
    215,794,213.56x = 323,552,148.75 × 84,649,740.13
  4. Step 4: Simplify right side
    215,794,213.56x = 27,388,605,308,572,844
  5. Step 5: Solve for x
    x = 27,388,605,308,572,844/215,794,213.56
  6. Step 6: Final answer
    x = 126,920,017.26

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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.