Finding the Fourth Proportional to 315,597,757.70, 473,060,713.35 and 121,434,148.10
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Solution
The fourth proportional to 315,597,757.70, 473,060,713.35 and 121,434,148.10 is: 182,021,967.28
Step by Step Solution
- Step 1: Write the proportion equation
315,597,757.70 : 473,060,713.35 = 121,434,148.10 : x - Step 2: Convert to fraction form
315,597,757.70/473,060,713.35 = 121,434,148.10/x - Step 3: Cross multiply
315,597,757.70x = 473,060,713.35 × 121,434,148.10 - Step 4: Simplify right side
315,597,757.70x = 57,445,724,725,235,544 - Step 5: Solve for x
x = 57,445,724,725,235,544/315,597,757.70 - Step 6: Final answer
x = 182,021,967.28
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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.