Home / 30,528,049.55-45,792,074.33-30,315,473.15

Finding the Fourth Proportional to 30,528,049.55, 45,792,074.33 and 30,315,473.15

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Solution

The fourth proportional to 30,528,049.55, 45,792,074.33 and 30,315,473.15 is: 45,473,209.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,049.55 : 45,792,074.33 = 30,315,473.15 : x
  2. Step 2: Convert to fraction form
    30,528,049.55/45,792,074.33 = 30,315,473.15/x
  3. Step 3: Cross multiply
    30,528,049.55x = 45,792,074.33 × 30,315,473.15
  4. Step 4: Simplify right side
    30,528,049.55x = 1,388,208,399,682,342
  5. Step 5: Solve for x
    x = 1,388,208,399,682,342/30,528,049.55
  6. Step 6: Final answer
    x = 45,473,209.73

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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.