Home / 268,802,123.20-402,919,749.60-104,976,577.60

Finding the Fourth Proportional to 268,802,123.20, 402,919,749.60 and 104,976,577.60

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Solution

The fourth proportional to 268,802,123.20, 402,919,749.60 and 104,976,577.60 is: 157,354,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,802,123.20 : 402,919,749.60 = 104,976,577.60 : x
  2. Step 2: Convert to fraction form
    268,802,123.20/402,919,749.60 = 104,976,577.60/x
  3. Step 3: Cross multiply
    268,802,123.20x = 402,919,749.60 × 104,976,577.60
  4. Step 4: Simplify right side
    268,802,123.20x = 42,297,136,360,456,968
  5. Step 5: Solve for x
    x = 42,297,136,360,456,968/268,802,123.20
  6. Step 6: Final answer
    x = 157,354,175.10

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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.