Home / 432,194,343.80-648,089,682.92-155,809,157.00

Finding the Fourth Proportional to 432,194,343.80, 648,089,682.92 and 155,809,157.00

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Solution

The fourth proportional to 432,194,343.80, 648,089,682.92 and 155,809,157.00 is: 233,640,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,194,343.80 : 648,089,682.92 = 155,809,157.00 : x
  2. Step 2: Convert to fraction form
    432,194,343.80/648,089,682.92 = 155,809,157.00/x
  3. Step 3: Cross multiply
    432,194,343.80x = 648,089,682.92 × 155,809,157.00
  4. Step 4: Simplify right side
    432,194,343.80x = 100,978,307,152,143,008
  5. Step 5: Solve for x
    x = 100,978,307,152,143,008/432,194,343.80
  6. Step 6: Final answer
    x = 233,640,973.33

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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.