Finding the Fourth Proportional to 88,376,321.58, 121,974,164.74 and 51,229,838.14
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Solution
The fourth proportional to 88,376,321.58, 121,974,164.74 and 51,229,838.14 is: 70,705,779.62
Step by Step Solution
- Step 1: Write the proportion equation
88,376,321.58 : 121,974,164.74 = 51,229,838.14 : x - Step 2: Convert to fraction form
88,376,321.58/121,974,164.74 = 51,229,838.14/x - Step 3: Cross multiply
88,376,321.58x = 121,974,164.74 × 51,229,838.14 - Step 4: Simplify right side
88,376,321.58x = 6,248,716,716,891,895 - Step 5: Solve for x
x = 6,248,716,716,891,895/88,376,321.58 - Step 6: Final answer
x = 70,705,779.62
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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.