Home / 165,632,343.40-248,448,515.10-105,315,466.60

Finding the Fourth Proportional to 165,632,343.40, 248,448,515.10 and 105,315,466.60

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Solution

The fourth proportional to 165,632,343.40, 248,448,515.10 and 105,315,466.60 is: 157,973,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,632,343.40 : 248,448,515.10 = 105,315,466.60 : x
  2. Step 2: Convert to fraction form
    165,632,343.40/248,448,515.10 = 105,315,466.60/x
  3. Step 3: Cross multiply
    165,632,343.40x = 248,448,515.10 × 105,315,466.60
  4. Step 4: Simplify right side
    165,632,343.40x = 26,165,471,293,833,644
  5. Step 5: Solve for x
    x = 26,165,471,293,833,644/165,632,343.40
  6. Step 6: Final answer
    x = 157,973,199.90

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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.