Home / 103,668,812.28-155,512,515.60-26,992,504.80

Finding the Fourth Proportional to 103,668,812.28, 155,512,515.60 and 26,992,504.80

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Solution

The fourth proportional to 103,668,812.28, 155,512,515.60 and 26,992,504.80 is: 40,491,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668,812.28 : 155,512,515.60 = 26,992,504.80 : x
  2. Step 2: Convert to fraction form
    103,668,812.28/155,512,515.60 = 26,992,504.80/x
  3. Step 3: Cross multiply
    103,668,812.28x = 155,512,515.60 × 26,992,504.80
  4. Step 4: Simplify right side
    103,668,812.28x = 4,197,672,323,793,075
  5. Step 5: Solve for x
    x = 4,197,672,323,793,075/103,668,812.28
  6. Step 6: Final answer
    x = 40,491,177.93

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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.