Finding the Fourth Proportional to 80,390,847.68, 110,914,343.36 and 45,580,806.08
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Solution
The fourth proportional to 80,390,847.68, 110,914,343.36 and 45,580,806.08 is: 62,887,322.65
Step by Step Solution
- Step 1: Write the proportion equation
80,390,847.68 : 110,914,343.36 = 45,580,806.08 : x - Step 2: Convert to fraction form
80,390,847.68/110,914,343.36 = 45,580,806.08/x - Step 3: Cross multiply
80,390,847.68x = 110,914,343.36 × 45,580,806.08 - Step 4: Simplify right side
80,390,847.68x = 5,055,565,176,182,695 - Step 5: Solve for x
x = 5,055,565,176,182,695/80,390,847.68 - Step 6: Final answer
x = 62,887,322.65
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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.