Finding the Fourth Proportional to 117,909,110.64, 162,715,218.20 and 68,378,850.96
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Solution
The fourth proportional to 117,909,110.64, 162,715,218.20 and 68,378,850.96 is: 94,363,188.68
Step by Step Solution
- Step 1: Write the proportion equation
117,909,110.64 : 162,715,218.20 = 68,378,850.96 : x - Step 2: Convert to fraction form
117,909,110.64/162,715,218.20 = 68,378,850.96/x - Step 3: Cross multiply
117,909,110.64x = 162,715,218.20 × 68,378,850.96 - Step 4: Simplify right side
117,909,110.64x = 11,126,279,654,221,678 - Step 5: Solve for x
x = 11,126,279,654,221,678/117,909,110.64 - Step 6: Final answer
x = 94,363,188.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.