Finding the Fourth Proportional to 96,716,090.40, 144,979,657.20 and 86,512,423.20
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Solution
The fourth proportional to 96,716,090.40, 144,979,657.20 and 86,512,423.20 is: 129,684,123.99
Step by Step Solution
- Step 1: Write the proportion equation
96,716,090.40 : 144,979,657.20 = 86,512,423.20 : x - Step 2: Convert to fraction form
96,716,090.40/144,979,657.20 = 86,512,423.20/x - Step 3: Cross multiply
96,716,090.40x = 144,979,657.20 × 86,512,423.20 - Step 4: Simplify right side
96,716,090.40x = 12,542,541,459,077,326 - Step 5: Solve for x
x = 12,542,541,459,077,326/96,716,090.40 - Step 6: Final answer
x = 129,684,123.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.