Finding the Fourth Proportional to 88,143,024.96, 121,599,643.05 and 55,045,814.49
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Solution
The fourth proportional to 88,143,024.96, 121,599,643.05 and 55,045,814.49 is: 75,939,660.53
Step by Step Solution
- Step 1: Write the proportion equation
88,143,024.96 : 121,599,643.05 = 55,045,814.49 : x - Step 2: Convert to fraction form
88,143,024.96/121,599,643.05 = 55,045,814.49/x - Step 3: Cross multiply
88,143,024.96x = 121,599,643.05 × 55,045,814.49 - Step 4: Simplify right side
88,143,024.96x = 6,693,551,393,380,518 - Step 5: Solve for x
x = 6,693,551,393,380,518/88,143,024.96 - Step 6: Final answer
x = 75,939,660.53
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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.