Home / 432,194,349.04-648,089,690.78-155,809,162.24

Finding the Fourth Proportional to 432,194,349.04, 648,089,690.78 and 155,809,162.24

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Solution

The fourth proportional to 432,194,349.04, 648,089,690.78 and 155,809,162.24 is: 233,640,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,194,349.04 : 648,089,690.78 = 155,809,162.24 : x
  2. Step 2: Convert to fraction form
    432,194,349.04/648,089,690.78 = 155,809,162.24/x
  3. Step 3: Cross multiply
    432,194,349.04x = 648,089,690.78 × 155,809,162.24
  4. Step 4: Simplify right side
    432,194,349.04x = 100,978,311,775,581,760
  5. Step 5: Solve for x
    x = 100,978,311,775,581,760/432,194,349.04
  6. Step 6: Final answer
    x = 233,640,981.19

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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.