Home / 47,129,855.44-70,694,071.74-21,203,848.66

Finding the Fourth Proportional to 47,129,855.44, 70,694,071.74 and 21,203,848.66

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Solution

The fourth proportional to 47,129,855.44, 70,694,071.74 and 21,203,848.66 is: 31,805,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129,855.44 : 70,694,071.74 = 21,203,848.66 : x
  2. Step 2: Convert to fraction form
    47,129,855.44/70,694,071.74 = 21,203,848.66/x
  3. Step 3: Cross multiply
    47,129,855.44x = 70,694,071.74 × 21,203,848.66
  4. Step 4: Simplify right side
    47,129,855.44x = 1,498,986,398,334,142.75
  5. Step 5: Solve for x
    x = 1,498,986,398,334,142.75/47,129,855.44
  6. Step 6: Final answer
    x = 31,805,452.92

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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.