Finding the Fourth Proportional to 270,286,446.94, 372,998,236.55 and 158,781,987.46
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Solution
The fourth proportional to 270,286,446.94, 372,998,236.55 and 158,781,987.46 is: 219,120,869.69
Step by Step Solution
- Step 1: Write the proportion equation
270,286,446.94 : 372,998,236.55 = 158,781,987.46 : x - Step 2: Convert to fraction form
270,286,446.94/372,998,236.55 = 158,781,987.46/x - Step 3: Cross multiply
270,286,446.94x = 372,998,236.55 × 158,781,987.46 - Step 4: Simplify right side
270,286,446.94x = 59,225,401,318,484,216 - Step 5: Solve for x
x = 59,225,401,318,484,216/270,286,446.94 - Step 6: Final answer
x = 219,120,869.69
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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.