Finding the Fourth Proportional to 165,530,652.22, 248,209,763.03 and 78,068,685.62
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Solution
The fourth proportional to 165,530,652.22, 248,209,763.03 and 78,068,685.62 is: 117,062,366.99
Step by Step Solution
- Step 1: Write the proportion equation
165,530,652.22 : 248,209,763.03 = 78,068,685.62 : x - Step 2: Convert to fraction form
165,530,652.22/248,209,763.03 = 78,068,685.62/x - Step 3: Cross multiply
165,530,652.22x = 248,209,763.03 × 78,068,685.62 - Step 4: Simplify right side
165,530,652.22x = 19,377,409,958,326,708 - Step 5: Solve for x
x = 19,377,409,958,326,708/165,530,652.22 - Step 6: Final answer
x = 117,062,366.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.