Finding the Fourth Proportional to 98,372,660.04, 135,766,240.29 and 57,119,552.46
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Solution
The fourth proportional to 98,372,660.04, 135,766,240.29 and 57,119,552.46 is: 78,831,932.38
Step by Step Solution
- Step 1: Write the proportion equation
98,372,660.04 : 135,766,240.29 = 57,119,552.46 : x - Step 2: Convert to fraction form
98,372,660.04/135,766,240.29 = 57,119,552.46/x - Step 3: Cross multiply
98,372,660.04x = 135,766,240.29 × 57,119,552.46 - Step 4: Simplify right side
98,372,660.04x = 7,754,906,884,541,620 - Step 5: Solve for x
x = 7,754,906,884,541,620/98,372,660.04 - Step 6: Final answer
x = 78,831,932.38
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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.