Finding the Fourth Proportional to 67,958,160.12, 93,779,235.72 and 39,703,152
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Solution
The fourth proportional to 67,958,160.12, 93,779,235.72 and 39,703,152 is: 54,788,582.32
Step by Step Solution
- Step 1: Write the proportion equation
67,958,160.12 : 93,779,235.72 = 39,703,152 : x - Step 2: Convert to fraction form
67,958,160.12/93,779,235.72 = 39,703,152/x - Step 3: Cross multiply
67,958,160.12x = 93,779,235.72 × 39,703,152 - Step 4: Simplify right side
67,958,160.12x = 3,723,331,250,234,989.50 - Step 5: Solve for x
x = 3,723,331,250,234,989.50/67,958,160.12 - Step 6: Final answer
x = 54,788,582.32
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1.5x scale
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.