Home / 308,160,980.80-462,241,471.20-103,621,076.80

Finding the Fourth Proportional to 308,160,980.80, 462,241,471.20 and 103,621,076.80

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Solution

The fourth proportional to 308,160,980.80, 462,241,471.20 and 103,621,076.80 is: 155,431,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160,980.80 : 462,241,471.20 = 103,621,076.80 : x
  2. Step 2: Convert to fraction form
    308,160,980.80/462,241,471.20 = 103,621,076.80/x
  3. Step 3: Cross multiply
    308,160,980.80x = 462,241,471.20 × 103,621,076.80
  4. Step 4: Simplify right side
    308,160,980.80x = 47,897,958,987,360,184
  5. Step 5: Solve for x
    x = 47,897,958,987,360,184/308,160,980.80
  6. Step 6: Final answer
    x = 155,431,615.20

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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.