Home / 48,908,629.20-73,362,943.80-20,145,205.20

Finding the Fourth Proportional to 48,908,629.20, 73,362,943.80 and 20,145,205.20

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Solution

The fourth proportional to 48,908,629.20, 73,362,943.80 and 20,145,205.20 is: 30,217,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,908,629.20 : 73,362,943.80 = 20,145,205.20 : x
  2. Step 2: Convert to fraction form
    48,908,629.20/73,362,943.80 = 20,145,205.20/x
  3. Step 3: Cross multiply
    48,908,629.20x = 73,362,943.80 × 20,145,205.20
  4. Step 4: Simplify right side
    48,908,629.20x = 1,477,911,556,927,067.75
  5. Step 5: Solve for x
    x = 1,477,911,556,927,067.75/48,908,629.20
  6. Step 6: Final answer
    x = 30,217,807.80

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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.