Finding the Fourth Proportional to 160,257,985.84, 239,039,589.10 and 145,545,872.14
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Solution
The fourth proportional to 160,257,985.84, 239,039,589.10 and 145,545,872.14 is: 217,095,112.54
Step by Step Solution
- Step 1: Write the proportion equation
160,257,985.84 : 239,039,589.10 = 145,545,872.14 : x - Step 2: Convert to fraction form
160,257,985.84/239,039,589.10 = 145,545,872.14/x - Step 3: Cross multiply
160,257,985.84x = 239,039,589.10 × 145,545,872.14 - Step 4: Simplify right side
160,257,985.84x = 34,791,225,471,546,732 - Step 5: Solve for x
x = 34,791,225,471,546,732/160,257,985.84 - Step 6: Final answer
x = 217,095,112.54
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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.