Home / 252,664,277.20-378,996,415.80-154,453,980.40

Finding the Fourth Proportional to 252,664,277.20, 378,996,415.80 and 154,453,980.40

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Solution

The fourth proportional to 252,664,277.20, 378,996,415.80 and 154,453,980.40 is: 231,680,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,664,277.20 : 378,996,415.80 = 154,453,980.40 : x
  2. Step 2: Convert to fraction form
    252,664,277.20/378,996,415.80 = 154,453,980.40/x
  3. Step 3: Cross multiply
    252,664,277.20x = 378,996,415.80 × 154,453,980.40
  4. Step 4: Simplify right side
    252,664,277.20x = 58,537,504,977,643,456
  5. Step 5: Solve for x
    x = 58,537,504,977,643,456/252,664,277.20
  6. Step 6: Final answer
    x = 231,680,970.60

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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.