Finding the Fourth Proportional to 150,380,824.05, 207,537,960.75 and 83,421,370.71
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Solution
The fourth proportional to 150,380,824.05, 207,537,960.75 and 83,421,370.71 is: 115,128,383.35
Step by Step Solution
- Step 1: Write the proportion equation
150,380,824.05 : 207,537,960.75 = 83,421,370.71 : x - Step 2: Convert to fraction form
150,380,824.05/207,537,960.75 = 83,421,370.71/x - Step 3: Cross multiply
150,380,824.05x = 207,537,960.75 × 83,421,370.71 - Step 4: Simplify right side
150,380,824.05x = 17,313,101,160,123,178 - Step 5: Solve for x
x = 17,313,101,160,123,178/150,380,824.05 - Step 6: Final answer
x = 115,128,383.35
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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.