Finding the Fourth Proportional to 157,629,316.70, 236,466,539.76 and 48,463,652.78
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Solution
The fourth proportional to 157,629,316.70, 236,466,539.76 and 48,463,652.78 is: 72,702,416.76
Step by Step Solution
- Step 1: Write the proportion equation
157,629,316.70 : 236,466,539.76 = 48,463,652.78 : x - Step 2: Convert to fraction form
157,629,316.70/236,466,539.76 = 48,463,652.78/x - Step 3: Cross multiply
157,629,316.70x = 236,466,539.76 × 48,463,652.78 - Step 4: Simplify right side
157,629,316.70x = 11,460,032,276,034,120 - Step 5: Solve for x
x = 11,460,032,276,034,120/157,629,316.70 - Step 6: Final answer
x = 72,702,416.76
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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.