Finding the Fourth Proportional to 75,972,862.08, 104,842,641.92 and 41,165,525.28
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Solution
The fourth proportional to 75,972,862.08, 104,842,641.92 and 41,165,525.28 is: 56,808,474.87
Step by Step Solution
- Step 1: Write the proportion equation
75,972,862.08 : 104,842,641.92 = 41,165,525.28 : x - Step 2: Convert to fraction form
75,972,862.08/104,842,641.92 = 41,165,525.28/x - Step 3: Cross multiply
75,972,862.08x = 104,842,641.92 × 41,165,525.28 - Step 4: Simplify right side
75,972,862.08x = 4,315,902,426,379,748 - Step 5: Solve for x
x = 4,315,902,426,379,748/75,972,862.08 - Step 6: Final answer
x = 56,808,474.87
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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.