Home / 53,728,984.80-74,147,984.82-30,528,064.08

Finding the Fourth Proportional to 53,728,984.80, 74,147,984.82 and 30,528,064.08

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Solution

The fourth proportional to 53,728,984.80, 74,147,984.82 and 30,528,064.08 is: 42,129,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728,984.80 : 74,147,984.82 = 30,528,064.08 : x
  2. Step 2: Convert to fraction form
    53,728,984.80/74,147,984.82 = 30,528,064.08/x
  3. Step 3: Cross multiply
    53,728,984.80x = 74,147,984.82 × 30,528,064.08
  4. Step 4: Simplify right side
    53,728,984.80x = 2,263,594,431,987,827
  5. Step 5: Solve for x
    x = 2,263,594,431,987,827/53,728,984.80
  6. Step 6: Final answer
    x = 42,129,856.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.