Home / 108,519,428.20-162,968,099.10-57,501,092.20

Finding the Fourth Proportional to 108,519,428.20, 162,968,099.10 and 57,501,092.20

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Solution

The fourth proportional to 108,519,428.20, 162,968,099.10 and 57,501,092.20 is: 86,351,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,428.20 : 162,968,099.10 = 57,501,092.20 : x
  2. Step 2: Convert to fraction form
    108,519,428.20/162,968,099.10 = 57,501,092.20/x
  3. Step 3: Cross multiply
    108,519,428.20x = 162,968,099.10 × 57,501,092.20
  4. Step 4: Simplify right side
    108,519,428.20x = 9,370,843,692,007,838
  5. Step 5: Solve for x
    x = 9,370,843,692,007,838/108,519,428.20
  6. Step 6: Final answer
    x = 86,351,760.67

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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.