Home / 178,946,111.42-268,416,466.08-80,508,304.47

Finding the Fourth Proportional to 178,946,111.42, 268,416,466.08 and 80,508,304.47

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Solution

The fourth proportional to 178,946,111.42, 268,416,466.08 and 80,508,304.47 is: 120,761,241.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,946,111.42 : 268,416,466.08 = 80,508,304.47 : x
  2. Step 2: Convert to fraction form
    178,946,111.42/268,416,466.08 = 80,508,304.47/x
  3. Step 3: Cross multiply
    178,946,111.42x = 268,416,466.08 × 80,508,304.47
  4. Step 4: Simplify right side
    178,946,111.42x = 21,609,754,575,010,976
  5. Step 5: Solve for x
    x = 21,609,754,575,010,976/178,946,111.42
  6. Step 6: Final answer
    x = 120,761,241.49

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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.