Home / 108,601,361.40-162,902,042.10-31,932,139.80

Finding the Fourth Proportional to 108,601,361.40, 162,902,042.10 and 31,932,139.80

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Solution

The fourth proportional to 108,601,361.40, 162,902,042.10 and 31,932,139.80 is: 47,898,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,361.40 : 162,902,042.10 = 31,932,139.80 : x
  2. Step 2: Convert to fraction form
    108,601,361.40/162,902,042.10 = 31,932,139.80/x
  3. Step 3: Cross multiply
    108,601,361.40x = 162,902,042.10 × 31,932,139.80
  4. Step 4: Simplify right side
    108,601,361.40x = 5,201,810,782,042,686
  5. Step 5: Solve for x
    x = 5,201,810,782,042,686/108,601,361.40
  6. Step 6: Final answer
    x = 47,898,209.70

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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.