Finding the Fourth Proportional to 190,680,844.68, 286,023,924.21 and 54,366,228.18
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Solution
The fourth proportional to 190,680,844.68, 286,023,924.21 and 54,366,228.18 is: 81,550,099.88
Step by Step Solution
- Step 1: Write the proportion equation
190,680,844.68 : 286,023,924.21 = 54,366,228.18 : x - Step 2: Convert to fraction form
190,680,844.68/286,023,924.21 = 54,366,228.18/x - Step 3: Cross multiply
190,680,844.68x = 286,023,924.21 × 54,366,228.18 - Step 4: Simplify right side
190,680,844.68x = 15,550,041,928,539,884 - Step 5: Solve for x
x = 15,550,041,928,539,884/190,680,844.68 - Step 6: Final answer
x = 81,550,099.88
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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.