Finding the Fourth Proportional to 187,108,716.92, 258,241,888.68 and 108,837,641.75
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Solution
The fourth proportional to 187,108,716.92, 258,241,888.68 and 108,837,641.75 is: 150,214,477.59
Step by Step Solution
- Step 1: Write the proportion equation
187,108,716.92 : 258,241,888.68 = 108,837,641.75 : x - Step 2: Convert to fraction form
187,108,716.92/258,241,888.68 = 108,837,641.75/x - Step 3: Cross multiply
187,108,716.92x = 258,241,888.68 × 108,837,641.75 - Step 4: Simplify right side
187,108,716.92x = 28,106,438,164,997,220 - Step 5: Solve for x
x = 28,106,438,164,997,220/187,108,716.92 - Step 6: Final answer
x = 150,214,477.59
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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.