Finding the Fourth Proportional to 162,065,702.76, 223,428,405.84 and 102,497,309.40
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Solution
The fourth proportional to 162,065,702.76, 223,428,405.84 and 102,497,309.40 is: 141,305,717.69
Step by Step Solution
- Step 1: Write the proportion equation
162,065,702.76 : 223,428,405.84 = 102,497,309.40 : x - Step 2: Convert to fraction form
162,065,702.76/223,428,405.84 = 102,497,309.40/x - Step 3: Cross multiply
162,065,702.76x = 223,428,405.84 × 102,497,309.40 - Step 4: Simplify right side
162,065,702.76x = 22,900,810,441,014,104 - Step 5: Solve for x
x = 22,900,810,441,014,104/162,065,702.76 - Step 6: Final answer
x = 141,305,717.69
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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.