Home / 193,111,198.80-289,666,798.20-168,168,901.20

Finding the Fourth Proportional to 193,111,198.80, 289,666,798.20 and 168,168,901.20

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Solution

The fourth proportional to 193,111,198.80, 289,666,798.20 and 168,168,901.20 is: 252,253,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,111,198.80 : 289,666,798.20 = 168,168,901.20 : x
  2. Step 2: Convert to fraction form
    193,111,198.80/289,666,798.20 = 168,168,901.20/x
  3. Step 3: Cross multiply
    193,111,198.80x = 289,666,798.20 × 168,168,901.20
  4. Step 4: Simplify right side
    193,111,198.80x = 48,712,947,167,416,136
  5. Step 5: Solve for x
    x = 48,712,947,167,416,136/193,111,198.80
  6. Step 6: Final answer
    x = 252,253,351.80

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1.5x scale

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.