Finding the Fourth Proportional to 245,737,278.70, 339,115,152.10 and 134,228,076.84
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Solution
The fourth proportional to 245,737,278.70, 339,115,152.10 and 134,228,076.84 is: 185,233,493.81
Step by Step Solution
- Step 1: Write the proportion equation
245,737,278.70 : 339,115,152.10 = 134,228,076.84 : x - Step 2: Convert to fraction form
245,737,278.70/339,115,152.10 = 134,228,076.84/x - Step 3: Cross multiply
245,737,278.70x = 339,115,152.10 × 134,228,076.84 - Step 4: Simplify right side
245,737,278.70x = 45,518,774,693,687,088 - Step 5: Solve for x
x = 45,518,774,693,687,088/245,737,278.70 - Step 6: Final answer
x = 185,233,493.81
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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.