Home / 308,160,926.80-462,241,390.20-103,621,022.80

Finding the Fourth Proportional to 308,160,926.80, 462,241,390.20 and 103,621,022.80

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Solution

The fourth proportional to 308,160,926.80, 462,241,390.20 and 103,621,022.80 is: 155,431,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160,926.80 : 462,241,390.20 = 103,621,022.80 : x
  2. Step 2: Convert to fraction form
    308,160,926.80/462,241,390.20 = 103,621,022.80/x
  3. Step 3: Cross multiply
    308,160,926.80x = 462,241,390.20 × 103,621,022.80
  4. Step 4: Simplify right side
    308,160,926.80x = 47,897,925,633,017,896
  5. Step 5: Solve for x
    x = 47,897,925,633,017,896/308,160,926.80
  6. Step 6: Final answer
    x = 155,431,534.20

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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.