Finding the Fourth Proportional to 112,227,137.80, 168,340,706.70 and 108,867,905.80
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Solution
The fourth proportional to 112,227,137.80, 168,340,706.70 and 108,867,905.80 is: 163,301,858.70
Step by Step Solution
- Step 1: Write the proportion equation
112,227,137.80 : 168,340,706.70 = 108,867,905.80 : x - Step 2: Convert to fraction form
112,227,137.80/168,340,706.70 = 108,867,905.80/x - Step 3: Cross multiply
112,227,137.80x = 168,340,706.70 × 108,867,905.80 - Step 4: Simplify right side
112,227,137.80x = 18,326,900,199,321,028 - Step 5: Solve for x
x = 18,326,900,199,321,028/112,227,137.80 - Step 6: Final answer
x = 163,301,858.70
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1.5x scale
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.