Finding the Fourth Proportional to 91,047,795.54, 125,638,362 and 51,353,138.58
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Solution
The fourth proportional to 91,047,795.54, 125,638,362 and 51,353,138.58 is: 70,863,047.00
Step by Step Solution
- Step 1: Write the proportion equation
91,047,795.54 : 125,638,362 = 51,353,138.58 : x - Step 2: Convert to fraction form
91,047,795.54/125,638,362 = 51,353,138.58/x - Step 3: Cross multiply
91,047,795.54x = 125,638,362 × 51,353,138.58 - Step 4: Simplify right side
91,047,795.54x = 6,451,924,214,750,206 - Step 5: Solve for x
x = 6,451,924,214,750,206/91,047,795.54 - Step 6: Final answer
x = 70,863,047.00
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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.