Finding the Fourth Proportional to 91,630,258,112.48, 137,445,546,602.64 and 28,750,382,198.24
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Solution
The fourth proportional to 91,630,258,112.48, 137,445,546,602.64 and 28,750,382,198.24 is: 43,125,623,322.17
Step by Step Solution
- Step 1: Write the proportion equation
91,630,258,112.48 : 137,445,546,602.64 = 28,750,382,198.24 : x - Step 2: Convert to fraction form
91,630,258,112.48/137,445,546,602.64 = 28,750,382,198.24/x - Step 3: Cross multiply
91,630,258,112.48x = 137,445,546,602.64 × 28,750,382,198.24 - Step 4: Simplify right side
91,630,258,112.48x = 3,951,611,996,271,908,225,024 - Step 5: Solve for x
x = 3,951,611,996,271,908,225,024/91,630,258,112.48 - Step 6: Final answer
x = 43,125,623,322.17
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1.5x scale
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.