Home / 111,925,117.60-167,887,676.40-40,128,791.20

Finding the Fourth Proportional to 111,925,117.60, 167,887,676.40 and 40,128,791.20

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Solution

The fourth proportional to 111,925,117.60, 167,887,676.40 and 40,128,791.20 is: 60,193,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,925,117.60 : 167,887,676.40 = 40,128,791.20 : x
  2. Step 2: Convert to fraction form
    111,925,117.60/167,887,676.40 = 40,128,791.20/x
  3. Step 3: Cross multiply
    111,925,117.60x = 167,887,676.40 × 40,128,791.20
  4. Step 4: Simplify right side
    111,925,117.60x = 6,737,129,511,308,768
  5. Step 5: Solve for x
    x = 6,737,129,511,308,768/111,925,117.60
  6. Step 6: Final answer
    x = 60,193,186.80

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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.