Finding the Fourth Proportional to 68,364,904.40, 102,547,356.60 and 65,976,117.20
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Solution
The fourth proportional to 68,364,904.40, 102,547,356.60 and 65,976,117.20 is: 98,964,175.80
Step by Step Solution
- Step 1: Write the proportion equation
68,364,904.40 : 102,547,356.60 = 65,976,117.20 : x - Step 2: Convert to fraction form
68,364,904.40/102,547,356.60 = 65,976,117.20/x - Step 3: Cross multiply
68,364,904.40x = 102,547,356.60 × 65,976,117.20 - Step 4: Simplify right side
68,364,904.40x = 6,765,676,417,591,793 - Step 5: Solve for x
x = 6,765,676,417,591,793/68,364,904.40 - Step 6: Final answer
x = 98,964,175.80
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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.