Home / 264,651,954.40-396,977,931.60-168,035,980.60

Finding the Fourth Proportional to 264,651,954.40, 396,977,931.60 and 168,035,980.60

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Solution

The fourth proportional to 264,651,954.40, 396,977,931.60 and 168,035,980.60 is: 252,053,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,651,954.40 : 396,977,931.60 = 168,035,980.60 : x
  2. Step 2: Convert to fraction form
    264,651,954.40/396,977,931.60 = 168,035,980.60/x
  3. Step 3: Cross multiply
    264,651,954.40x = 396,977,931.60 × 168,035,980.60
  4. Step 4: Simplify right side
    264,651,954.40x = 66,706,576,012,965,728
  5. Step 5: Solve for x
    x = 66,706,576,012,965,728/264,651,954.40
  6. Step 6: Final answer
    x = 252,053,970.90

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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.