Finding the Fourth Proportional to 71,001,544,528.23, 97,985,211,444.81 and 39,319,157,872.24
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Solution
The fourth proportional to 71,001,544,528.23, 97,985,211,444.81 and 39,319,157,872.24 is: 54,262,143,500.42
Step by Step Solution
- Step 1: Write the proportion equation
71,001,544,528.23 : 97,985,211,444.81 = 39,319,157,872.24 : x - Step 2: Convert to fraction form
71,001,544,528.23/97,985,211,444.81 = 39,319,157,872.24/x - Step 3: Cross multiply
71,001,544,528.23x = 97,985,211,444.81 × 39,319,157,872.24 - Step 4: Simplify right side
71,001,544,528.23x = 3,852,695,997,942,615,506,944 - Step 5: Solve for x
x = 3,852,695,997,942,615,506,944/71,001,544,528.23 - Step 6: Final answer
x = 54,262,143,500.42
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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.