Home / 110,309,896.68-165,249,586.23-85,934,690.88

Finding the Fourth Proportional to 110,309,896.68, 165,249,586.23 and 85,934,690.88

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Solution

The fourth proportional to 110,309,896.68, 165,249,586.23 and 85,934,690.88 is: 128,734,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309,896.68 : 165,249,586.23 = 85,934,690.88 : x
  2. Step 2: Convert to fraction form
    110,309,896.68/165,249,586.23 = 85,934,690.88/x
  3. Step 3: Cross multiply
    110,309,896.68x = 165,249,586.23 × 85,934,690.88
  4. Step 4: Simplify right side
    110,309,896.68x = 14,200,672,110,722,952
  5. Step 5: Solve for x
    x = 14,200,672,110,722,952/110,309,896.68
  6. Step 6: Final answer
    x = 128,734,343.32

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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.