Home / 74,619,393.66-111,844,185.48-45,408,807.54

Finding the Fourth Proportional to 74,619,393.66, 111,844,185.48 and 45,408,807.54

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Solution

The fourth proportional to 74,619,393.66, 111,844,185.48 and 45,408,807.54 is: 68,061,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,619,393.66 : 111,844,185.48 = 45,408,807.54 : x
  2. Step 2: Convert to fraction form
    74,619,393.66/111,844,185.48 = 45,408,807.54/x
  3. Step 3: Cross multiply
    74,619,393.66x = 111,844,185.48 × 45,408,807.54
  4. Step 4: Simplify right side
    74,619,393.66x = 5,078,711,092,929,383
  5. Step 5: Solve for x
    x = 5,078,711,092,929,383/74,619,393.66
  6. Step 6: Final answer
    x = 68,061,543.30

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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.