Finding the Fourth Proportional to 77,439,439.08, 106,872,673.37 and 44,402,761.98
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Solution
The fourth proportional to 77,439,439.08, 106,872,673.37 and 44,402,761.98 is: 61,279,393.73
Step by Step Solution
- Step 1: Write the proportion equation
77,439,439.08 : 106,872,673.37 = 44,402,761.98 : x - Step 2: Convert to fraction form
77,439,439.08/106,872,673.37 = 44,402,761.98/x - Step 3: Cross multiply
77,439,439.08x = 106,872,673.37 × 44,402,761.98 - Step 4: Simplify right side
77,439,439.08x = 4,745,441,877,592,380 - Step 5: Solve for x
x = 4,745,441,877,592,380/77,439,439.08 - Step 6: Final answer
x = 61,279,393.73
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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.