Home / 252,163,817.20-378,245,725.80-88,586,277.40

Finding the Fourth Proportional to 252,163,817.20, 378,245,725.80 and 88,586,277.40

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Solution

The fourth proportional to 252,163,817.20, 378,245,725.80 and 88,586,277.40 is: 132,879,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,163,817.20 : 378,245,725.80 = 88,586,277.40 : x
  2. Step 2: Convert to fraction form
    252,163,817.20/378,245,725.80 = 88,586,277.40/x
  3. Step 3: Cross multiply
    252,163,817.20x = 378,245,725.80 × 88,586,277.40
  4. Step 4: Simplify right side
    252,163,817.20x = 33,507,380,791,083,140
  5. Step 5: Solve for x
    x = 33,507,380,791,083,140/252,163,817.20
  6. Step 6: Final answer
    x = 132,879,416.10

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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.