Home / 54,049,360.80-81,074,041.20-19,963,653.60

Finding the Fourth Proportional to 54,049,360.80, 81,074,041.20 and 19,963,653.60

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Solution

The fourth proportional to 54,049,360.80, 81,074,041.20 and 19,963,653.60 is: 29,945,480.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049,360.80 : 81,074,041.20 = 19,963,653.60 : x
  2. Step 2: Convert to fraction form
    54,049,360.80/81,074,041.20 = 19,963,653.60/x
  3. Step 3: Cross multiply
    54,049,360.80x = 81,074,041.20 × 19,963,653.60
  4. Step 4: Simplify right side
    54,049,360.80x = 1,618,534,074,468,928.50
  5. Step 5: Solve for x
    x = 1,618,534,074,468,928.50/54,049,360.80
  6. Step 6: Final answer
    x = 29,945,480.40

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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.