Finding the Fourth Proportional to 130,379,552.70, 195,569,329.05 and 100,146,464.70
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Solution
The fourth proportional to 130,379,552.70, 195,569,329.05 and 100,146,464.70 is: 150,219,697.05
Step by Step Solution
- Step 1: Write the proportion equation
130,379,552.70 : 195,569,329.05 = 100,146,464.70 : x - Step 2: Convert to fraction form
130,379,552.70/195,569,329.05 = 100,146,464.70/x - Step 3: Cross multiply
130,379,552.70x = 195,569,329.05 × 100,146,464.70 - Step 4: Simplify right side
130,379,552.70x = 19,585,576,908,108,512 - Step 5: Solve for x
x = 19,585,576,908,108,512/130,379,552.70 - Step 6: Final answer
x = 150,219,697.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.