Finding the Fourth Proportional to 122,530,495.59, 169,092,110.79 and 66,775,929.21
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Solution
The fourth proportional to 122,530,495.59, 169,092,110.79 and 66,775,929.21 is: 92,150,796.96
Step by Step Solution
- Step 1: Write the proportion equation
122,530,495.59 : 169,092,110.79 = 66,775,929.21 : x - Step 2: Convert to fraction form
122,530,495.59/169,092,110.79 = 66,775,929.21/x - Step 3: Cross multiply
122,530,495.59x = 169,092,110.79 × 66,775,929.21 - Step 4: Simplify right side
122,530,495.59x = 11,291,282,820,082,516 - Step 5: Solve for x
x = 11,291,282,820,082,516/122,530,495.59 - Step 6: Final answer
x = 92,150,796.96
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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.