Home / 103,505,344.40-155,258,016.60-30,733,356.80

Finding the Fourth Proportional to 103,505,344.40, 155,258,016.60 and 30,733,356.80

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Solution

The fourth proportional to 103,505,344.40, 155,258,016.60 and 30,733,356.80 is: 46,100,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,505,344.40 : 155,258,016.60 = 30,733,356.80 : x
  2. Step 2: Convert to fraction form
    103,505,344.40/155,258,016.60 = 30,733,356.80/x
  3. Step 3: Cross multiply
    103,505,344.40x = 155,258,016.60 × 30,733,356.80
  4. Step 4: Simplify right side
    103,505,344.40x = 4,771,600,020,228,123
  5. Step 5: Solve for x
    x = 4,771,600,020,228,123/103,505,344.40
  6. Step 6: Final answer
    x = 46,100,035.20

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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.