Home / 80,147,270.78-110,603,446.27-43,477,841.78

Finding the Fourth Proportional to 80,147,270.78, 110,603,446.27 and 43,477,841.78

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Solution

The fourth proportional to 80,147,270.78, 110,603,446.27 and 43,477,841.78 is: 59,999,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,147,270.78 : 110,603,446.27 = 43,477,841.78 : x
  2. Step 2: Convert to fraction form
    80,147,270.78/110,603,446.27 = 43,477,841.78/x
  3. Step 3: Cross multiply
    80,147,270.78x = 110,603,446.27 × 43,477,841.78
  4. Step 4: Simplify right side
    80,147,270.78x = 4,808,799,136,588,079
  5. Step 5: Solve for x
    x = 4,808,799,136,588,079/80,147,270.78
  6. Step 6: Final answer
    x = 59,999,536.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.