Home / 199,485,812.90-299,228,719.35-190,982,756.90

Finding the Fourth Proportional to 199,485,812.90, 299,228,719.35 and 190,982,756.90

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Solution

The fourth proportional to 199,485,812.90, 299,228,719.35 and 190,982,756.90 is: 286,474,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485,812.90 : 299,228,719.35 = 190,982,756.90 : x
  2. Step 2: Convert to fraction form
    199,485,812.90/299,228,719.35 = 190,982,756.90/x
  3. Step 3: Cross multiply
    199,485,812.90x = 299,228,719.35 × 190,982,756.90
  4. Step 4: Simplify right side
    199,485,812.90x = 57,147,525,765,119,384
  5. Step 5: Solve for x
    x = 57,147,525,765,119,384/199,485,812.90
  6. Step 6: Final answer
    x = 286,474,135.35

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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.