Home / 201,644,112.80-302,466,169.20-99,457,104.80

Finding the Fourth Proportional to 201,644,112.80, 302,466,169.20 and 99,457,104.80

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Solution

The fourth proportional to 201,644,112.80, 302,466,169.20 and 99,457,104.80 is: 149,185,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,644,112.80 : 302,466,169.20 = 99,457,104.80 : x
  2. Step 2: Convert to fraction form
    201,644,112.80/302,466,169.20 = 99,457,104.80/x
  3. Step 3: Cross multiply
    201,644,112.80x = 302,466,169.20 × 99,457,104.80
  4. Step 4: Simplify right side
    201,644,112.80x = 30,082,409,488,578,932
  5. Step 5: Solve for x
    x = 30,082,409,488,578,932/201,644,112.80
  6. Step 6: Final answer
    x = 149,185,657.20

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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.