Finding the Fourth Proportional to 67,415,243.48, 93,006,564.34 and 39,152,805.14
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Solution
The fourth proportional to 67,415,243.48, 93,006,564.34 and 39,152,805.14 is: 54,015,497.12
Step by Step Solution
- Step 1: Write the proportion equation
67,415,243.48 : 93,006,564.34 = 39,152,805.14 : x - Step 2: Convert to fraction form
67,415,243.48/93,006,564.34 = 39,152,805.14/x - Step 3: Cross multiply
67,415,243.48x = 93,006,564.34 × 39,152,805.14 - Step 4: Simplify right side
67,415,243.48x = 3,641,467,890,149,128.50 - Step 5: Solve for x
x = 3,641,467,890,149,128.50/67,415,243.48 - Step 6: Final answer
x = 54,015,497.12
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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.