Finding the Fourth Proportional to 89,091,018,344.48, 122,941,862,778.29 and 50,512,533,532.17
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Solution
The fourth proportional to 89,091,018,344.48, 122,941,862,778.29 and 50,512,533,532.17 is: 69,705,174,342.99
Step by Step Solution
- Step 1: Write the proportion equation
89,091,018,344.48 : 122,941,862,778.29 = 50,512,533,532.17 : x - Step 2: Convert to fraction form
89,091,018,344.48/122,941,862,778.29 = 50,512,533,532.17/x - Step 3: Cross multiply
89,091,018,344.48x = 122,941,862,778.29 × 50,512,533,532.17 - Step 4: Simplify right side
89,091,018,344.48x = 6,210,104,966,095,816,359,936 - Step 5: Solve for x
x = 6,210,104,966,095,816,359,936/89,091,018,344.48 - Step 6: Final answer
x = 69,705,174,342.99
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1.5x scale
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.