Finding the Fourth Proportional to 215,100,719,985.41, 296,865,023,041.41 and 122,424,107,459.75
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Solution
The fourth proportional to 215,100,719,985.41, 296,865,023,041.41 and 122,424,107,459.75 is: 168,960,082,905.94
Step by Step Solution
- Step 1: Write the proportion equation
215,100,719,985.41 : 296,865,023,041.41 = 122,424,107,459.75 : x - Step 2: Convert to fraction form
215,100,719,985.41/296,865,023,041.41 = 122,424,107,459.75/x - Step 3: Cross multiply
215,100,719,985.41x = 296,865,023,041.41 × 122,424,107,459.75 - Step 4: Simplify right side
215,100,719,985.41x = 36,343,435,481,862,736,183,296 - Step 5: Solve for x
x = 36,343,435,481,862,736,183,296/215,100,719,985.41 - Step 6: Final answer
x = 168,960,082,905.94
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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.