Finding the Fourth Proportional to 64,790,721.80, 97,186,082.70 and 60,539,193.80
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Solution
The fourth proportional to 64,790,721.80, 97,186,082.70 and 60,539,193.80 is: 90,808,790.70
Step by Step Solution
- Step 1: Write the proportion equation
64,790,721.80 : 97,186,082.70 = 60,539,193.80 : x - Step 2: Convert to fraction form
64,790,721.80/97,186,082.70 = 60,539,193.80/x - Step 3: Cross multiply
64,790,721.80x = 97,186,082.70 × 60,539,193.80 - Step 4: Simplify right side
64,790,721.80x = 5,883,567,095,238,127 - Step 5: Solve for x
x = 5,883,567,095,238,127/64,790,721.80 - Step 6: Final answer
x = 90,808,790.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.