Home / 290,322,029.80-435,483,044.70-187,529,530.60

Finding the Fourth Proportional to 290,322,029.80, 435,483,044.70 and 187,529,530.60

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Solution

The fourth proportional to 290,322,029.80, 435,483,044.70 and 187,529,530.60 is: 281,294,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,322,029.80 : 435,483,044.70 = 187,529,530.60 : x
  2. Step 2: Convert to fraction form
    290,322,029.80/435,483,044.70 = 187,529,530.60/x
  3. Step 3: Cross multiply
    290,322,029.80x = 435,483,044.70 × 187,529,530.60
  4. Step 4: Simplify right side
    290,322,029.80x = 81,665,930,956,849,808
  5. Step 5: Solve for x
    x = 81,665,930,956,849,808/290,322,029.80
  6. Step 6: Final answer
    x = 281,294,295.90

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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.