Finding the Fourth Proportional to 73,749,797.63, 101,777,129.57 and 40,261,062.35
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Solution
The fourth proportional to 73,749,797.63, 101,777,129.57 and 40,261,062.35 is: 55,561,581.07
Step by Step Solution
- Step 1: Write the proportion equation
73,749,797.63 : 101,777,129.57 = 40,261,062.35 : x - Step 2: Convert to fraction form
73,749,797.63/101,777,129.57 = 40,261,062.35/x - Step 3: Cross multiply
73,749,797.63x = 101,777,129.57 × 40,261,062.35 - Step 4: Simplify right side
73,749,797.63x = 4,097,655,359,776,894.50 - Step 5: Solve for x
x = 4,097,655,359,776,894.50/73,749,797.63 - Step 6: Final answer
x = 55,561,581.07
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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.