Home / 92,478,738.20-127,620,647.78-55,309,012.73

Finding the Fourth Proportional to 92,478,738.20, 127,620,647.78 and 55,309,012.73

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Solution

The fourth proportional to 92,478,738.20, 127,620,647.78 and 55,309,012.73 is: 76,326,431.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478,738.20 : 127,620,647.78 = 55,309,012.73 : x
  2. Step 2: Convert to fraction form
    92,478,738.20/127,620,647.78 = 55,309,012.73/x
  3. Step 3: Cross multiply
    92,478,738.20x = 127,620,647.78 × 55,309,012.73
  4. Step 4: Simplify right side
    92,478,738.20x = 7,058,572,032,573,521
  5. Step 5: Solve for x
    x = 7,058,572,032,573,521/92,478,738.20
  6. Step 6: Final answer
    x = 76,326,431.03

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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.