Finding the Fourth Proportional to 78,840,901.44, 118,261,642.68 and 24,253,108.74
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Solution
The fourth proportional to 78,840,901.44, 118,261,642.68 and 24,253,108.74 is: 36,379,752.48
Step by Step Solution
- Step 1: Write the proportion equation
78,840,901.44 : 118,261,642.68 = 24,253,108.74 : x - Step 2: Convert to fraction form
78,840,901.44/118,261,642.68 = 24,253,108.74/x - Step 3: Cross multiply
78,840,901.44x = 118,261,642.68 × 24,253,108.74 - Step 4: Simplify right side
78,840,901.44x = 2,868,212,479,689,065 - Step 5: Solve for x
x = 2,868,212,479,689,065/78,840,901.44 - Step 6: Final answer
x = 36,379,752.48
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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.