Finding the Fourth Proportional to 97,038,367,821.36, 146,219,910,076.44 and 79,739,558,700.84
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Solution
The fourth proportional to 97,038,367,821.36, 146,219,910,076.44 and 79,739,558,700.84 is: 120,153,619,280.12
Step by Step Solution
- Step 1: Write the proportion equation
97,038,367,821.36 : 146,219,910,076.44 = 79,739,558,700.84 : x - Step 2: Convert to fraction form
97,038,367,821.36/146,219,910,076.44 = 79,739,558,700.84/x - Step 3: Cross multiply
97,038,367,821.36x = 146,219,910,076.44 × 79,739,558,700.84 - Step 4: Simplify right side
97,038,367,821.36x = 11,659,511,102,771,833,077,760 - Step 5: Solve for x
x = 11,659,511,102,771,833,077,760/97,038,367,821.36 - Step 6: Final answer
x = 120,153,619,280.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.