Finding the Fourth Proportional to 111,804,533.49, 167,783,406.35 and 39,021,314.17
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Solution
The fourth proportional to 111,804,533.49, 167,783,406.35 and 39,021,314.17 is: 58,558,707.83
Step by Step Solution
- Step 1: Write the proportion equation
111,804,533.49 : 167,783,406.35 = 39,021,314.17 : x - Step 2: Convert to fraction form
111,804,533.49/167,783,406.35 = 39,021,314.17/x - Step 3: Cross multiply
111,804,533.49x = 167,783,406.35 × 39,021,314.17 - Step 4: Simplify right side
111,804,533.49x = 6,547,129,011,397,720 - Step 5: Solve for x
x = 6,547,129,011,397,720/111,804,533.49 - Step 6: Final answer
x = 58,558,707.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.