Home / 208,822,447.20-313,233,670.80-155,074,735.20

Finding the Fourth Proportional to 208,822,447.20, 313,233,670.80 and 155,074,735.20

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Solution

The fourth proportional to 208,822,447.20, 313,233,670.80 and 155,074,735.20 is: 232,612,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822,447.20 : 313,233,670.80 = 155,074,735.20 : x
  2. Step 2: Convert to fraction form
    208,822,447.20/313,233,670.80 = 155,074,735.20/x
  3. Step 3: Cross multiply
    208,822,447.20x = 313,233,670.80 × 155,074,735.20
  4. Step 4: Simplify right side
    208,822,447.20x = 48,574,628,555,033,968
  5. Step 5: Solve for x
    x = 48,574,628,555,033,968/208,822,447.20
  6. Step 6: Final answer
    x = 232,612,102.80

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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.