Home / 308,241,460.36-462,430,198.36-89,908,890.03

Finding the Fourth Proportional to 308,241,460.36, 462,430,198.36 and 89,908,890.03

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Solution

The fourth proportional to 308,241,460.36, 462,430,198.36 and 89,908,890.03 is: 134,883,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,241,460.36 : 462,430,198.36 = 89,908,890.03 : x
  2. Step 2: Convert to fraction form
    308,241,460.36/462,430,198.36 = 89,908,890.03/x
  3. Step 3: Cross multiply
    308,241,460.36x = 462,430,198.36 × 89,908,890.03
  4. Step 4: Simplify right side
    308,241,460.36x = 41,576,585,851,012,712
  5. Step 5: Solve for x
    x = 41,576,585,851,012,712/308,241,460.36
  6. Step 6: Final answer
    x = 134,883,171.79

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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.