Finding the Fourth Proportional to 107,804,543.60, 161,706,815.40 and 39,633,129.20
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Solution
The fourth proportional to 107,804,543.60, 161,706,815.40 and 39,633,129.20 is: 59,449,693.80
Step by Step Solution
- Step 1: Write the proportion equation
107,804,543.60 : 161,706,815.40 = 39,633,129.20 : x - Step 2: Convert to fraction form
107,804,543.60/161,706,815.40 = 39,633,129.20/x - Step 3: Cross multiply
107,804,543.60x = 161,706,815.40 × 39,633,129.20 - Step 4: Simplify right side
107,804,543.60x = 6,408,947,107,268,750 - Step 5: Solve for x
x = 6,408,947,107,268,750/107,804,543.60 - Step 6: Final answer
x = 59,449,693.80
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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.