Home / 252,475,390.80-378,713,086.20-108,868,222.80

Finding the Fourth Proportional to 252,475,390.80, 378,713,086.20 and 108,868,222.80

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Solution

The fourth proportional to 252,475,390.80, 378,713,086.20 and 108,868,222.80 is: 163,302,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,475,390.80 : 378,713,086.20 = 108,868,222.80 : x
  2. Step 2: Convert to fraction form
    252,475,390.80/378,713,086.20 = 108,868,222.80/x
  3. Step 3: Cross multiply
    252,475,390.80x = 378,713,086.20 × 108,868,222.80
  4. Step 4: Simplify right side
    252,475,390.80x = 41,229,820,645,697,200
  5. Step 5: Solve for x
    x = 41,229,820,645,697,200/252,475,390.80
  6. Step 6: Final answer
    x = 163,302,334.20

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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.