Home / 111,222,976.40-166,834,464.60-106,688,013.20

Finding the Fourth Proportional to 111,222,976.40, 166,834,464.60 and 106,688,013.20

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Solution

The fourth proportional to 111,222,976.40, 166,834,464.60 and 106,688,013.20 is: 160,032,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,222,976.40 : 166,834,464.60 = 106,688,013.20 : x
  2. Step 2: Convert to fraction form
    111,222,976.40/166,834,464.60 = 106,688,013.20/x
  3. Step 3: Cross multiply
    111,222,976.40x = 166,834,464.60 × 106,688,013.20
  4. Step 4: Simplify right side
    111,222,976.40x = 17,799,237,561,459,732
  5. Step 5: Solve for x
    x = 17,799,237,561,459,732/111,222,976.40
  6. Step 6: Final answer
    x = 160,032,019.80

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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.