Home / 121,275,880.80-181,913,821.20-44,583,039.60

Finding the Fourth Proportional to 121,275,880.80, 181,913,821.20 and 44,583,039.60

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Solution

The fourth proportional to 121,275,880.80, 181,913,821.20 and 44,583,039.60 is: 66,874,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,880.80 : 181,913,821.20 = 44,583,039.60 : x
  2. Step 2: Convert to fraction form
    121,275,880.80/181,913,821.20 = 44,583,039.60/x
  3. Step 3: Cross multiply
    121,275,880.80x = 181,913,821.20 × 44,583,039.60
  4. Step 4: Simplify right side
    121,275,880.80x = 8,110,271,094,346,919
  5. Step 5: Solve for x
    x = 8,110,271,094,346,919/121,275,880.80
  6. Step 6: Final answer
    x = 66,874,559.40

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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.