Finding the Fourth Proportional to 63,235,943.19, 87,231,939.39 and 38,463,706.71
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Solution
The fourth proportional to 63,235,943.19, 87,231,939.39 and 38,463,706.71 is: 53,059,439.98
Step by Step Solution
- Step 1: Write the proportion equation
63,235,943.19 : 87,231,939.39 = 38,463,706.71 : x - Step 2: Convert to fraction form
63,235,943.19/87,231,939.39 = 38,463,706.71/x - Step 3: Cross multiply
63,235,943.19x = 87,231,939.39 × 38,463,706.71 - Step 4: Simplify right side
63,235,943.19x = 3,355,263,732,441,456.50 - Step 5: Solve for x
x = 3,355,263,732,441,456.50/63,235,943.19 - Step 6: Final answer
x = 53,059,439.98
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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.