Finding the Fourth Proportional to 155,116,253.67, 214,053,988.87 and 84,550,312.14
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Solution
The fourth proportional to 155,116,253.67, 214,053,988.87 and 84,550,312.14 is: 116,675,919.81
Step by Step Solution
- Step 1: Write the proportion equation
155,116,253.67 : 214,053,988.87 = 84,550,312.14 : x - Step 2: Convert to fraction form
155,116,253.67/214,053,988.87 = 84,550,312.14/x - Step 3: Cross multiply
155,116,253.67x = 214,053,988.87 × 84,550,312.14 - Step 4: Simplify right side
155,116,253.67x = 18,098,331,573,770,588 - Step 5: Solve for x
x = 18,098,331,573,770,588/155,116,253.67 - Step 6: Final answer
x = 116,675,919.81
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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.