Finding the Fourth Proportional to 111,132,460.79, 153,362,795.87 and 62,239,888.79
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Solution
The fourth proportional to 111,132,460.79, 153,362,795.87 and 62,239,888.79 is: 85,891,046.51
Step by Step Solution
- Step 1: Write the proportion equation
111,132,460.79 : 153,362,795.87 = 62,239,888.79 : x - Step 2: Convert to fraction form
111,132,460.79/153,362,795.87 = 62,239,888.79/x - Step 3: Cross multiply
111,132,460.79x = 153,362,795.87 × 62,239,888.79 - Step 4: Simplify right side
111,132,460.79x = 9,545,283,358,394,258 - Step 5: Solve for x
x = 9,545,283,358,394,258/111,132,460.79 - Step 6: Final answer
x = 85,891,046.51
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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.