Home / 108,519,967.20-162,779,950.80-100,867,216.80

Finding the Fourth Proportional to 108,519,967.20, 162,779,950.80 and 100,867,216.80

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Solution

The fourth proportional to 108,519,967.20, 162,779,950.80 and 100,867,216.80 is: 151,300,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,967.20 : 162,779,950.80 = 100,867,216.80 : x
  2. Step 2: Convert to fraction form
    108,519,967.20/162,779,950.80 = 100,867,216.80/x
  3. Step 3: Cross multiply
    108,519,967.20x = 162,779,950.80 × 100,867,216.80
  4. Step 4: Simplify right side
    108,519,967.20x = 16,419,160,588,036,934
  5. Step 5: Solve for x
    x = 16,419,160,588,036,934/108,519,967.20
  6. Step 6: Final answer
    x = 151,300,825.20

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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.