Finding the Fourth Proportional to 67,415,243.98, 93,006,565.03 and 39,152,805.64
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Solution
The fourth proportional to 67,415,243.98, 93,006,565.03 and 39,152,805.64 is: 54,015,497.81
Step by Step Solution
- Step 1: Write the proportion equation
67,415,243.98 : 93,006,565.03 = 39,152,805.64 : x - Step 2: Convert to fraction form
67,415,243.98/93,006,565.03 = 39,152,805.64/x - Step 3: Cross multiply
67,415,243.98x = 93,006,565.03 × 39,152,805.64 - Step 4: Simplify right side
67,415,243.98x = 3,641,467,963,863,611 - Step 5: Solve for x
x = 3,641,467,963,863,611/67,415,243.98 - Step 6: Final answer
x = 54,015,497.81
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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.