Finding the Fourth Proportional to 115,547,342.72, 159,457,259.49 and 62,625,740.81
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Solution
The fourth proportional to 115,547,342.72, 159,457,259.49 and 62,625,740.81 is: 86,424,566.49
Step by Step Solution
- Step 1: Write the proportion equation
115,547,342.72 : 159,457,259.49 = 62,625,740.81 : x - Step 2: Convert to fraction form
115,547,342.72/159,457,259.49 = 62,625,740.81/x - Step 3: Cross multiply
115,547,342.72x = 159,457,259.49 × 62,625,740.81 - Step 4: Simplify right side
115,547,342.72x = 9,986,129,003,093,654 - Step 5: Solve for x
x = 9,986,129,003,093,654/115,547,342.72 - Step 6: Final answer
x = 86,424,566.49
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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.