Finding the Fourth Proportional to 136,204,549.10, 187,966,265.55 and 74,328,875.90
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Solution
The fourth proportional to 136,204,549.10, 187,966,265.55 and 74,328,875.90 is: 102,576,024.94
Step by Step Solution
- Step 1: Write the proportion equation
136,204,549.10 : 187,966,265.55 = 74,328,875.90 : x - Step 2: Convert to fraction form
136,204,549.10/187,966,265.55 = 74,328,875.90/x - Step 3: Cross multiply
136,204,549.10x = 187,966,265.55 × 74,328,875.90 - Step 4: Simplify right side
136,204,549.10x = 13,971,321,225,452,398 - Step 5: Solve for x
x = 13,971,321,225,452,398/136,204,549.10 - Step 6: Final answer
x = 102,576,024.94
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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.