Finding the Fourth Proportional to 97,176,614.61, 133,389,899.81 and 85,916,708.43
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Solution
The fourth proportional to 97,176,614.61, 133,389,899.81 and 85,916,708.43 is: 117,933,940.95
Step by Step Solution
- Step 1: Write the proportion equation
97,176,614.61 : 133,389,899.81 = 85,916,708.43 : x - Step 2: Convert to fraction form
97,176,614.61/133,389,899.81 = 85,916,708.43/x - Step 3: Cross multiply
97,176,614.61x = 133,389,899.81 × 85,916,708.43 - Step 4: Simplify right side
97,176,614.61x = 11,460,421,129,482,684 - Step 5: Solve for x
x = 11,460,421,129,482,684/97,176,614.61 - Step 6: Final answer
x = 117,933,940.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.