Home / 111,220,214.40-166,830,321.60-74,846,030.40

Finding the Fourth Proportional to 111,220,214.40, 166,830,321.60 and 74,846,030.40

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Solution

The fourth proportional to 111,220,214.40, 166,830,321.60 and 74,846,030.40 is: 112,269,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,220,214.40 : 166,830,321.60 = 74,846,030.40 : x
  2. Step 2: Convert to fraction form
    111,220,214.40/166,830,321.60 = 74,846,030.40/x
  3. Step 3: Cross multiply
    111,220,214.40x = 166,830,321.60 × 74,846,030.40
  4. Step 4: Simplify right side
    111,220,214.40x = 12,486,587,322,115,378
  5. Step 5: Solve for x
    x = 12,486,587,322,115,378/111,220,214.40
  6. Step 6: Final answer
    x = 112,269,045.60

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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.