Finding the Fourth Proportional to 121,990,703.80, 183,127,773.30 and 73,523,284.60
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Solution
The fourth proportional to 121,990,703.80, 183,127,773.30 and 73,523,284.60 is: 110,370,339.50
Step by Step Solution
- Step 1: Write the proportion equation
121,990,703.80 : 183,127,773.30 = 73,523,284.60 : x - Step 2: Convert to fraction form
121,990,703.80/183,127,773.30 = 73,523,284.60/x - Step 3: Cross multiply
121,990,703.80x = 183,127,773.30 × 73,523,284.60 - Step 4: Simplify right side
121,990,703.80x = 13,464,155,394,500,180 - Step 5: Solve for x
x = 13,464,155,394,500,180/121,990,703.80 - Step 6: Final answer
x = 110,370,339.50
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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.