Finding the Fourth Proportional to 89,532,407.40, 134,497,676.70 and 86,148,292.20
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Solution
The fourth proportional to 89,532,407.40, 134,497,676.70 and 86,148,292.20 is: 129,413,979.69
Step by Step Solution
- Step 1: Write the proportion equation
89,532,407.40 : 134,497,676.70 = 86,148,292.20 : x - Step 2: Convert to fraction form
89,532,407.40/134,497,676.70 = 86,148,292.20/x - Step 3: Cross multiply
89,532,407.40x = 134,497,676.70 × 86,148,292.20 - Step 4: Simplify right side
89,532,407.40x = 11,586,745,152,572,732 - Step 5: Solve for x
x = 11,586,745,152,572,732/89,532,407.40 - Step 6: Final answer
x = 129,413,979.69
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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.