Home / 72,414,000.20-108,621,000.30-17,826,152.15

Finding the Fourth Proportional to 72,414,000.20, 108,621,000.30 and 17,826,152.15

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Solution

The fourth proportional to 72,414,000.20, 108,621,000.30 and 17,826,152.15 is: 26,739,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,000.20 : 108,621,000.30 = 17,826,152.15 : x
  2. Step 2: Convert to fraction form
    72,414,000.20/108,621,000.30 = 17,826,152.15/x
  3. Step 3: Cross multiply
    72,414,000.20x = 108,621,000.30 × 17,826,152.15
  4. Step 4: Simplify right side
    72,414,000.20x = 1,936,294,478,032,995.50
  5. Step 5: Solve for x
    x = 1,936,294,478,032,995.50/72,414,000.20
  6. Step 6: Final answer
    x = 26,739,228.23

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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.