Home / 30,758,735.80-46,138,103.70-30,280,438.90

Finding the Fourth Proportional to 30,758,735.80, 46,138,103.70 and 30,280,438.90

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Solution

The fourth proportional to 30,758,735.80, 46,138,103.70 and 30,280,438.90 is: 45,420,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758,735.80 : 46,138,103.70 = 30,280,438.90 : x
  2. Step 2: Convert to fraction form
    30,758,735.80/46,138,103.70 = 30,280,438.90/x
  3. Step 3: Cross multiply
    30,758,735.80x = 46,138,103.70 × 30,280,438.90
  4. Step 4: Simplify right side
    30,758,735.80x = 1,397,082,030,049,714
  5. Step 5: Solve for x
    x = 1,397,082,030,049,714/30,758,735.80
  6. Step 6: Final answer
    x = 45,420,658.35

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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.