Finding the Fourth Proportional to 134,389,985.10, 201,622,302.45 and 57,749,729.10
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Solution
The fourth proportional to 134,389,985.10, 201,622,302.45 and 57,749,729.10 is: 86,640,632.77
Step by Step Solution
- Step 1: Write the proportion equation
134,389,985.10 : 201,622,302.45 = 57,749,729.10 : x - Step 2: Convert to fraction form
134,389,985.10/201,622,302.45 = 57,749,729.10/x - Step 3: Cross multiply
134,389,985.10x = 201,622,302.45 × 57,749,729.10 - Step 4: Simplify right side
134,389,985.10x = 11,643,633,347,005,766 - Step 5: Solve for x
x = 11,643,633,347,005,766/134,389,985.10 - Step 6: Final answer
x = 86,640,632.77
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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.