Finding the Fourth Proportional to 122,408,217.60, 183,612,326.40 and 106,464,987.60
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Solution
The fourth proportional to 122,408,217.60, 183,612,326.40 and 106,464,987.60 is: 159,697,481.40
Step by Step Solution
- Step 1: Write the proportion equation
122,408,217.60 : 183,612,326.40 = 106,464,987.60 : x - Step 2: Convert to fraction form
122,408,217.60/183,612,326.40 = 106,464,987.60/x - Step 3: Cross multiply
122,408,217.60x = 183,612,326.40 × 106,464,987.60 - Step 4: Simplify right side
122,408,217.60x = 19,548,284,053,383,152 - Step 5: Solve for x
x = 19,548,284,053,383,152/122,408,217.60 - Step 6: Final answer
x = 159,697,481.40
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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.