Finding the Fourth Proportional to 67,958,161.12, 93,779,237.10 and 39,703,153
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Solution
The fourth proportional to 67,958,161.12, 93,779,237.10 and 39,703,153 is: 54,788,583.70
Step by Step Solution
- Step 1: Write the proportion equation
67,958,161.12 : 93,779,237.10 = 39,703,153 : x - Step 2: Convert to fraction form
67,958,161.12/93,779,237.10 = 39,703,153/x - Step 3: Cross multiply
67,958,161.12x = 93,779,237.10 × 39,703,153 - Step 4: Simplify right side
67,958,161.12x = 3,723,331,398,804,576 - Step 5: Solve for x
x = 3,723,331,398,804,576/67,958,161.12 - Step 6: Final answer
x = 54,788,583.70
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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.