Finding the Fourth Proportional to 67,958,162.12, 93,779,238.48 and 39,703,154
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Solution
The fourth proportional to 67,958,162.12, 93,779,238.48 and 39,703,154 is: 54,788,585.08
Step by Step Solution
- Step 1: Write the proportion equation
67,958,162.12 : 93,779,238.48 = 39,703,154 : x - Step 2: Convert to fraction form
67,958,162.12/93,779,238.48 = 39,703,154/x - Step 3: Cross multiply
67,958,162.12x = 93,779,238.48 × 39,703,154 - Step 4: Simplify right side
67,958,162.12x = 3,723,331,547,374,166 - Step 5: Solve for x
x = 3,723,331,547,374,166/67,958,162.12 - Step 6: Final answer
x = 54,788,585.08
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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.