Finding the Fourth Proportional to 153,306,120.56, 228,785,905.42 and 136,948,371.44
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Solution
The fourth proportional to 153,306,120.56, 228,785,905.42 and 136,948,371.44 is: 204,374,470.12
Step by Step Solution
- Step 1: Write the proportion equation
153,306,120.56 : 228,785,905.42 = 136,948,371.44 : x - Step 2: Convert to fraction form
153,306,120.56/228,785,905.42 = 136,948,371.44/x - Step 3: Cross multiply
153,306,120.56x = 228,785,905.42 × 136,948,371.44 - Step 4: Simplify right side
153,306,120.56x = 31,331,857,155,694,868 - Step 5: Solve for x
x = 31,331,857,155,694,868/153,306,120.56 - Step 6: Final answer
x = 204,374,470.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.