Home / 231,824,019.20-347,736,028.80-207,637,548.80

Finding the Fourth Proportional to 231,824,019.20, 347,736,028.80 and 207,637,548.80

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Solution

The fourth proportional to 231,824,019.20, 347,736,028.80 and 207,637,548.80 is: 311,456,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,019.20 : 347,736,028.80 = 207,637,548.80 : x
  2. Step 2: Convert to fraction form
    231,824,019.20/347,736,028.80 = 207,637,548.80/x
  3. Step 3: Cross multiply
    231,824,019.20x = 347,736,028.80 × 207,637,548.80
  4. Step 4: Simplify right side
    231,824,019.20x = 72,203,056,649,478,208
  5. Step 5: Solve for x
    x = 72,203,056,649,478,208/231,824,019.20
  6. Step 6: Final answer
    x = 311,456,323.20

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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.