Finding the Fourth Proportional to 230,924,812.04, 318,601,259.70 and 157,458,408.20
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Solution
The fourth proportional to 230,924,812.04, 318,601,259.70 and 157,458,408.20 is: 217,241,476.82
Step by Step Solution
- Step 1: Write the proportion equation
230,924,812.04 : 318,601,259.70 = 157,458,408.20 : x - Step 2: Convert to fraction form
230,924,812.04/318,601,259.70 = 157,458,408.20/x - Step 3: Cross multiply
230,924,812.04x = 318,601,259.70 × 157,458,408.20 - Step 4: Simplify right side
230,924,812.04x = 50,166,447,202,876,800 - Step 5: Solve for x
x = 50,166,447,202,876,800/230,924,812.04 - Step 6: Final answer
x = 217,241,476.82
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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.