Home / 108,601,421.40-162,902,132.10-31,932,199.80

Finding the Fourth Proportional to 108,601,421.40, 162,902,132.10 and 31,932,199.80

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Solution

The fourth proportional to 108,601,421.40, 162,902,132.10 and 31,932,199.80 is: 47,898,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601,421.40 : 162,902,132.10 = 31,932,199.80 : x
  2. Step 2: Convert to fraction form
    108,601,421.40/162,902,132.10 = 31,932,199.80/x
  3. Step 3: Cross multiply
    108,601,421.40x = 162,902,132.10 × 31,932,199.80
  4. Step 4: Simplify right side
    108,601,421.40x = 5,201,823,430,063,194
  5. Step 5: Solve for x
    x = 5,201,823,430,063,194/108,601,421.40
  6. Step 6: Final answer
    x = 47,898,299.70

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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.