Finding the Fourth Proportional to 124,306,883.52, 171,576,583.20 and 73,430,292.48
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Solution
The fourth proportional to 124,306,883.52, 171,576,583.20 and 73,430,292.48 is: 101,353,346.90
Step by Step Solution
- Step 1: Write the proportion equation
124,306,883.52 : 171,576,583.20 = 73,430,292.48 : x - Step 2: Convert to fraction form
124,306,883.52/171,576,583.20 = 73,430,292.48/x - Step 3: Cross multiply
124,306,883.52x = 171,576,583.20 × 73,430,292.48 - Step 4: Simplify right side
124,306,883.52x = 12,598,918,687,095,054 - Step 5: Solve for x
x = 12,598,918,687,095,054/124,306,883.52 - Step 6: Final answer
x = 101,353,346.90
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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.