Finding the Fourth Proportional to 75,894,979.70, 113,658,936.50 and 43,448,472.74
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Solution
The fourth proportional to 75,894,979.70, 113,658,936.50 and 43,448,472.74 is: 65,067,639.83
Step by Step Solution
- Step 1: Write the proportion equation
75,894,979.70 : 113,658,936.50 = 43,448,472.74 : x - Step 2: Convert to fraction form
75,894,979.70/113,658,936.50 = 43,448,472.74/x - Step 3: Cross multiply
75,894,979.70x = 113,658,936.50 × 43,448,472.74 - Step 4: Simplify right side
75,894,979.70x = 4,938,307,204,177,641 - Step 5: Solve for x
x = 4,938,307,204,177,641/75,894,979.70 - Step 6: Final answer
x = 65,067,639.83
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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.