Home / 56,163,631.80-84,245,447.70-45,959,964.60

Finding the Fourth Proportional to 56,163,631.80, 84,245,447.70 and 45,959,964.60

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Solution

The fourth proportional to 56,163,631.80, 84,245,447.70 and 45,959,964.60 is: 68,939,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,163,631.80 : 84,245,447.70 = 45,959,964.60 : x
  2. Step 2: Convert to fraction form
    56,163,631.80/84,245,447.70 = 45,959,964.60/x
  3. Step 3: Cross multiply
    56,163,631.80x = 84,245,447.70 × 45,959,964.60
  4. Step 4: Simplify right side
    56,163,631.80x = 3,871,917,794,003,151.50
  5. Step 5: Solve for x
    x = 3,871,917,794,003,151.50/56,163,631.80
  6. Step 6: Final answer
    x = 68,939,946.90

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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.