Home / 30,528,028.80-45,792,043.20-30,315,452.40

Finding the Fourth Proportional to 30,528,028.80, 45,792,043.20 and 30,315,452.40

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Solution

The fourth proportional to 30,528,028.80, 45,792,043.20 and 30,315,452.40 is: 45,473,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,028.80 : 45,792,043.20 = 30,315,452.40 : x
  2. Step 2: Convert to fraction form
    30,528,028.80/45,792,043.20 = 30,315,452.40/x
  3. Step 3: Cross multiply
    30,528,028.80x = 45,792,043.20 × 30,315,452.40
  4. Step 4: Simplify right side
    30,528,028.80x = 1,388,206,505,928,343.75
  5. Step 5: Solve for x
    x = 1,388,206,505,928,343.75/30,528,028.80
  6. Step 6: Final answer
    x = 45,473,178.60

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1.5x scale

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.