Home / 201,659,783.40-302,237,732.70-147,744,109.80

Finding the Fourth Proportional to 201,659,783.40, 302,237,732.70 and 147,744,109.80

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Solution

The fourth proportional to 201,659,783.40, 302,237,732.70 and 147,744,109.80 is: 221,431,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,659,783.40 : 302,237,732.70 = 147,744,109.80 : x
  2. Step 2: Convert to fraction form
    201,659,783.40/302,237,732.70 = 147,744,109.80/x
  3. Step 3: Cross multiply
    201,659,783.40x = 302,237,732.70 × 147,744,109.80
  4. Step 4: Simplify right side
    201,659,783.40x = 44,653,844,765,731,856
  5. Step 5: Solve for x
    x = 44,653,844,765,731,856/201,659,783.40
  6. Step 6: Final answer
    x = 221,431,581.51

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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.