Home / 110,581,961.28-165,872,349.96-28,700,779.72

Finding the Fourth Proportional to 110,581,961.28, 165,872,349.96 and 28,700,779.72

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Solution

The fourth proportional to 110,581,961.28, 165,872,349.96 and 28,700,779.72 is: 43,051,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,581,961.28 : 165,872,349.96 = 28,700,779.72 : x
  2. Step 2: Convert to fraction form
    110,581,961.28/165,872,349.96 = 28,700,779.72/x
  3. Step 3: Cross multiply
    110,581,961.28x = 165,872,349.96 × 28,700,779.72
  4. Step 4: Simplify right side
    110,581,961.28x = 4,760,665,777,840,711
  5. Step 5: Solve for x
    x = 4,760,665,777,840,711/110,581,961.28
  6. Step 6: Final answer
    x = 43,051,015.94

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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.