Finding the Fourth Proportional to 69,759,669.68, 96,267,580.22 and 38,397,048.12
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Solution
The fourth proportional to 69,759,669.68, 96,267,580.22 and 38,397,048.12 is: 52,987,505.92
Step by Step Solution
- Step 1: Write the proportion equation
69,759,669.68 : 96,267,580.22 = 38,397,048.12 : x - Step 2: Convert to fraction form
69,759,669.68/96,267,580.22 = 38,397,048.12/x - Step 3: Cross multiply
69,759,669.68x = 96,267,580.22 × 38,397,048.12 - Step 4: Simplify right side
69,759,669.68x = 3,696,390,910,103,300 - Step 5: Solve for x
x = 3,696,390,910,103,300/69,759,669.68 - Step 6: Final answer
x = 52,987,505.92
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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.