Home / 193,915,873.20-290,975,554.44-72,830,904.24

Finding the Fourth Proportional to 193,915,873.20, 290,975,554.44 and 72,830,904.24

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Solution

The fourth proportional to 193,915,873.20, 290,975,554.44 and 72,830,904.24 is: 109,284,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,915,873.20 : 290,975,554.44 = 72,830,904.24 : x
  2. Step 2: Convert to fraction form
    193,915,873.20/290,975,554.44 = 72,830,904.24/x
  3. Step 3: Cross multiply
    193,915,873.20x = 290,975,554.44 × 72,830,904.24
  4. Step 4: Simplify right side
    193,915,873.20x = 21,192,012,741,600,544
  5. Step 5: Solve for x
    x = 21,192,012,741,600,544/193,915,873.20
  6. Step 6: Final answer
    x = 109,284,569.60

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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.