Finding the Fourth Proportional to 69,696,371.67, 96,169,863.11 and 38,756,766.03
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Solution
The fourth proportional to 69,696,371.67, 96,169,863.11 and 38,756,766.03 is: 53,478,148.06
Step by Step Solution
- Step 1: Write the proportion equation
69,696,371.67 : 96,169,863.11 = 38,756,766.03 : x - Step 2: Convert to fraction form
69,696,371.67/96,169,863.11 = 38,756,766.03/x - Step 3: Cross multiply
69,696,371.67x = 96,169,863.11 × 38,756,766.03 - Step 4: Simplify right side
69,696,371.67x = 3,727,232,883,354,984 - Step 5: Solve for x
x = 3,727,232,883,354,984/69,696,371.67 - Step 6: Final answer
x = 53,478,148.06
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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.