Home / 72,855,315.20-109,271,002.40-26,159,136.32

Finding the Fourth Proportional to 72,855,315.20, 109,271,002.40 and 26,159,136.32

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Solution

The fourth proportional to 72,855,315.20, 109,271,002.40 and 26,159,136.32 is: 39,234,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,855,315.20 : 109,271,002.40 = 26,159,136.32 : x
  2. Step 2: Convert to fraction form
    72,855,315.20/109,271,002.40 = 26,159,136.32/x
  3. Step 3: Cross multiply
    72,855,315.20x = 109,271,002.40 × 26,159,136.32
  4. Step 4: Simplify right side
    72,855,315.20x = 2,858,435,047,604,647.50
  5. Step 5: Solve for x
    x = 2,858,435,047,604,647.50/72,855,315.20
  6. Step 6: Final answer
    x = 39,234,406.44

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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.