Finding the Fourth Proportional to 131,998,492,104.78, 182,162,319,088.11 and 74,137,068,529.74
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Solution
The fourth proportional to 131,998,492,104.78, 182,162,319,088.11 and 74,137,068,529.74 is: 102,311,625,825.63
Step by Step Solution
- Step 1: Write the proportion equation
131,998,492,104.78 : 182,162,319,088.11 = 74,137,068,529.74 : x - Step 2: Convert to fraction form
131,998,492,104.78/182,162,319,088.11 = 74,137,068,529.74/x - Step 3: Cross multiply
131,998,492,104.78x = 182,162,319,088.11 × 74,137,068,529.74 - Step 4: Simplify right side
131,998,492,104.78x = 13,504,980,333,771,576,311,808 - Step 5: Solve for x
x = 13,504,980,333,771,576,311,808/131,998,492,104.78 - Step 6: Final answer
x = 102,311,625,825.63
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1.5x scale
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.