Finding the Fourth Proportional to 121,841,529.81, 168,131,316.83 and 66,837,386.31
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Solution
The fourth proportional to 121,841,529.81, 168,131,316.83 and 66,837,386.31 is: 92,230,110.63
Step by Step Solution
- Step 1: Write the proportion equation
121,841,529.81 : 168,131,316.83 = 66,837,386.31 : x - Step 2: Convert to fraction form
121,841,529.81/168,131,316.83 = 66,837,386.31/x - Step 3: Cross multiply
121,841,529.81x = 168,131,316.83 × 66,837,386.31 - Step 4: Simplify right side
121,841,529.81x = 11,237,457,773,775,716 - Step 5: Solve for x
x = 11,237,457,773,775,716/121,841,529.81 - Step 6: Final answer
x = 92,230,110.63
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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.