Finding the Fourth Proportional to 72,676,712.97, 100,268,537.78 and 46,585,617.08
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Solution
The fourth proportional to 72,676,712.97, 100,268,537.78 and 46,585,617.08 is: 64,271,917.58
Step by Step Solution
- Step 1: Write the proportion equation
72,676,712.97 : 100,268,537.78 = 46,585,617.08 : x - Step 2: Convert to fraction form
72,676,712.97/100,268,537.78 = 46,585,617.08/x - Step 3: Cross multiply
72,676,712.97x = 100,268,537.78 × 46,585,617.08 - Step 4: Simplify right side
72,676,712.97x = 4,671,071,705,805,715 - Step 5: Solve for x
x = 4,671,071,705,805,715/72,676,712.97 - Step 6: Final answer
x = 64,271,917.58
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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.