Finding the Fourth Proportional to 273,213,760.19, 377,037,980.49 and 149,454,438.53
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Solution
The fourth proportional to 273,213,760.19, 377,037,980.49 and 149,454,438.53 is: 206,248,761.55
Step by Step Solution
- Step 1: Write the proportion equation
273,213,760.19 : 377,037,980.49 = 149,454,438.53 : x - Step 2: Convert to fraction form
273,213,760.19/377,037,980.49 = 149,454,438.53/x - Step 3: Cross multiply
273,213,760.19x = 377,037,980.49 × 149,454,438.53 - Step 4: Simplify right side
273,213,760.19x = 56,349,999,676,732,856 - Step 5: Solve for x
x = 56,349,999,676,732,856/273,213,760.19 - Step 6: Final answer
x = 206,248,761.55
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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.