Home / 108,601,362.40-162,902,043.60-31,932,140.80

Finding the Fourth Proportional to 108,601,362.40, 162,902,043.60 and 31,932,140.80

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Solution

The fourth proportional to 108,601,362.40, 162,902,043.60 and 31,932,140.80 is: 47,898,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,362.40 : 162,902,043.60 = 31,932,140.80 : x
  2. Step 2: Convert to fraction form
    108,601,362.40/162,902,043.60 = 31,932,140.80/x
  3. Step 3: Cross multiply
    108,601,362.40x = 162,902,043.60 × 31,932,140.80
  4. Step 4: Simplify right side
    108,601,362.40x = 5,201,810,992,842,939
  5. Step 5: Solve for x
    x = 5,201,810,992,842,939/108,601,362.40
  6. Step 6: Final answer
    x = 47,898,211.20

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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.