Finding the Fourth Proportional to 73,655,126.40, 101,650,128 and 40,621,837.92
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Solution
The fourth proportional to 73,655,126.40, 101,650,128 and 40,621,837.92 is: 56,061,474.96
Step by Step Solution
- Step 1: Write the proportion equation
73,655,126.40 : 101,650,128 = 40,621,837.92 : x - Step 2: Convert to fraction form
73,655,126.40/101,650,128 = 40,621,837.92/x - Step 3: Cross multiply
73,655,126.40x = 101,650,128 × 40,621,837.92 - Step 4: Simplify right side
73,655,126.40x = 4,129,215,024,163,254 - Step 5: Solve for x
x = 4,129,215,024,163,254/73,655,126.40 - Step 6: Final answer
x = 56,061,474.96
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1.5x scale
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.