Home / 45,302,405.80-67,977,228.30-19,745,998.60

Finding the Fourth Proportional to 45,302,405.80, 67,977,228.30 and 19,745,998.60

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Solution

The fourth proportional to 45,302,405.80, 67,977,228.30 and 19,745,998.60 is: 29,629,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302,405.80 : 67,977,228.30 = 19,745,998.60 : x
  2. Step 2: Convert to fraction form
    45,302,405.80/67,977,228.30 = 19,745,998.60/x
  3. Step 3: Cross multiply
    45,302,405.80x = 67,977,228.30 × 19,745,998.60
  4. Step 4: Simplify right side
    45,302,405.80x = 1,342,278,254,843,680.50
  5. Step 5: Solve for x
    x = 1,342,278,254,843,680.50/45,302,405.80
  6. Step 6: Final answer
    x = 29,629,293.00

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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.