Finding the Fourth Proportional to 275,928,936.12, 413,739,461.34 and 91,596,306.96
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Solution
The fourth proportional to 275,928,936.12, 413,739,461.34 and 91,596,306.96 is: 137,343,358.17
Step by Step Solution
- Step 1: Write the proportion equation
275,928,936.12 : 413,739,461.34 = 91,596,306.96 : x - Step 2: Convert to fraction form
275,928,936.12/413,739,461.34 = 91,596,306.96/x - Step 3: Cross multiply
275,928,936.12x = 413,739,461.34 × 91,596,306.96 - Step 4: Simplify right side
275,928,936.12x = 37,897,006,702,363,688 - Step 5: Solve for x
x = 37,897,006,702,363,688/275,928,936.12 - Step 6: Final answer
x = 137,343,358.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.