Finding the Fourth Proportional to 83,662,383.29, 115,332,407.80 and 58,466,266.00
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Solution
The fourth proportional to 83,662,383.29, 115,332,407.80 and 58,466,266.00 is: 80,598,411.95
Step by Step Solution
- Step 1: Write the proportion equation
83,662,383.29 : 115,332,407.80 = 58,466,266.00 : x - Step 2: Convert to fraction form
83,662,383.29/115,332,407.80 = 58,466,266.00/x - Step 3: Cross multiply
83,662,383.29x = 115,332,407.80 × 58,466,266.00 - Step 4: Simplify right side
83,662,383.29x = 6,743,055,233,151,960 - Step 5: Solve for x
x = 6,743,055,233,151,960/83,662,383.29 - Step 6: Final answer
x = 80,598,411.95
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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.