Home / 269,138,896.40-403,897,301.40-115,894,931.60

Finding the Fourth Proportional to 269,138,896.40, 403,897,301.40 and 115,894,931.60

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Solution

The fourth proportional to 269,138,896.40, 403,897,301.40 and 115,894,931.60 is: 173,923,764.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,138,896.40 : 403,897,301.40 = 115,894,931.60 : x
  2. Step 2: Convert to fraction form
    269,138,896.40/403,897,301.40 = 115,894,931.60/x
  3. Step 3: Cross multiply
    269,138,896.40x = 403,897,301.40 × 115,894,931.60
  4. Step 4: Simplify right side
    269,138,896.40x = 46,809,650,119,177,576
  5. Step 5: Solve for x
    x = 46,809,650,119,177,576/269,138,896.40
  6. Step 6: Final answer
    x = 173,923,764.81

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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.