Finding the Fourth Proportional to 104,378,214.56, 144,354,068.66 and 91,302,775.79
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Solution
The fourth proportional to 104,378,214.56, 144,354,068.66 and 91,302,775.79 is: 126,270,862.37
Step by Step Solution
- Step 1: Write the proportion equation
104,378,214.56 : 144,354,068.66 = 91,302,775.79 : x - Step 2: Convert to fraction form
104,378,214.56/144,354,068.66 = 91,302,775.79/x - Step 3: Cross multiply
104,378,214.56x = 144,354,068.66 × 91,302,775.79 - Step 4: Simplify right side
104,378,214.56x = 13,179,927,164,744,732 - Step 5: Solve for x
x = 13,179,927,164,744,732/104,378,214.56 - Step 6: Final answer
x = 126,270,862.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.