Home / 111,220,216.40-166,830,324.60-74,846,032.40

Finding the Fourth Proportional to 111,220,216.40, 166,830,324.60 and 74,846,032.40

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Solution

The fourth proportional to 111,220,216.40, 166,830,324.60 and 74,846,032.40 is: 112,269,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220,216.40 : 166,830,324.60 = 74,846,032.40 : x
  2. Step 2: Convert to fraction form
    111,220,216.40/166,830,324.60 = 74,846,032.40/x
  3. Step 3: Cross multiply
    111,220,216.40x = 166,830,324.60 × 74,846,032.40
  4. Step 4: Simplify right side
    111,220,216.40x = 12,486,587,880,314,118
  5. Step 5: Solve for x
    x = 12,486,587,880,314,118/111,220,216.40
  6. Step 6: Final answer
    x = 112,269,048.60

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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.