Home / 108,519,969.70-162,779,954.55-100,867,219.30

Finding the Fourth Proportional to 108,519,969.70, 162,779,954.55 and 100,867,219.30

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Solution

The fourth proportional to 108,519,969.70, 162,779,954.55 and 100,867,219.30 is: 151,300,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,969.70 : 162,779,954.55 = 100,867,219.30 : x
  2. Step 2: Convert to fraction form
    108,519,969.70/162,779,954.55 = 100,867,219.30/x
  3. Step 3: Cross multiply
    108,519,969.70x = 162,779,954.55 × 100,867,219.30
  4. Step 4: Simplify right side
    108,519,969.70x = 16,419,161,373,238,884
  5. Step 5: Solve for x
    x = 16,419,161,373,238,884/108,519,969.70
  6. Step 6: Final answer
    x = 151,300,828.95

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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.