Finding the Fourth Proportional to 80,742,728.16, 121,071,530.88 and 35,251,378.56
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Solution
The fourth proportional to 80,742,728.16, 121,071,530.88 and 35,251,378.56 is: 52,858,486.02
Step by Step Solution
- Step 1: Write the proportion equation
80,742,728.16 : 121,071,530.88 = 35,251,378.56 : x - Step 2: Convert to fraction form
80,742,728.16/121,071,530.88 = 35,251,378.56/x - Step 3: Cross multiply
80,742,728.16x = 121,071,530.88 × 35,251,378.56 - Step 4: Simplify right side
80,742,728.16x = 4,267,938,367,889,610 - Step 5: Solve for x
x = 4,267,938,367,889,610/80,742,728.16 - Step 6: Final answer
x = 52,858,486.02
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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.