Finding the Fourth Proportional to 248,832,137.70, 373,248,206.55 and 121,430,153.70
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Solution
The fourth proportional to 248,832,137.70, 373,248,206.55 and 121,430,153.70 is: 182,145,230.55
Step by Step Solution
- Step 1: Write the proportion equation
248,832,137.70 : 373,248,206.55 = 121,430,153.70 : x - Step 2: Convert to fraction form
248,832,137.70/373,248,206.55 = 121,430,153.70/x - Step 3: Cross multiply
248,832,137.70x = 373,248,206.55 × 121,430,153.70 - Step 4: Simplify right side
248,832,137.70x = 45,323,587,089,615,848 - Step 5: Solve for x
x = 45,323,587,089,615,848/248,832,137.70 - Step 6: Final answer
x = 182,145,230.55
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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.