Finding the Fourth Proportional to 236,346,383.07, 326,212,428.20 and 138,592,731.87
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Solution
The fourth proportional to 236,346,383.07, 326,212,428.20 and 138,592,731.87 is: 191,289,881.43
Step by Step Solution
- Step 1: Write the proportion equation
236,346,383.07 : 326,212,428.20 = 138,592,731.87 : x - Step 2: Convert to fraction form
236,346,383.07/326,212,428.20 = 138,592,731.87/x - Step 3: Cross multiply
236,346,383.07x = 326,212,428.20 × 138,592,731.87 - Step 4: Simplify right side
236,346,383.07x = 45,210,671,593,491,264 - Step 5: Solve for x
x = 45,210,671,593,491,264/236,346,383.07 - Step 6: Final answer
x = 191,289,881.43
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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.