Home / 248,457,400.80-372,686,101.20-66,722,949.60

Finding the Fourth Proportional to 248,457,400.80, 372,686,101.20 and 66,722,949.60

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Solution

The fourth proportional to 248,457,400.80, 372,686,101.20 and 66,722,949.60 is: 100,084,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,457,400.80 : 372,686,101.20 = 66,722,949.60 : x
  2. Step 2: Convert to fraction form
    248,457,400.80/372,686,101.20 = 66,722,949.60/x
  3. Step 3: Cross multiply
    248,457,400.80x = 372,686,101.20 × 66,722,949.60
  4. Step 4: Simplify right side
    248,457,400.80x = 24,866,715,946,988,100
  5. Step 5: Solve for x
    x = 24,866,715,946,988,100/248,457,400.80
  6. Step 6: Final answer
    x = 100,084,424.40

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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.