Home / 108,612,145.60-162,918,218.40-40,440,731.20

Finding the Fourth Proportional to 108,612,145.60, 162,918,218.40 and 40,440,731.20

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Solution

The fourth proportional to 108,612,145.60, 162,918,218.40 and 40,440,731.20 is: 60,661,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,612,145.60 : 162,918,218.40 = 40,440,731.20 : x
  2. Step 2: Convert to fraction form
    108,612,145.60/162,918,218.40 = 40,440,731.20/x
  3. Step 3: Cross multiply
    108,612,145.60x = 162,918,218.40 × 40,440,731.20
  4. Step 4: Simplify right side
    108,612,145.60x = 6,588,531,877,897,295
  5. Step 5: Solve for x
    x = 6,588,531,877,897,295/108,612,145.60
  6. Step 6: Final answer
    x = 60,661,096.80

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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.