Finding the Fourth Proportional to 209,953,207.70, 314,929,811.55 and 73,589,383.70
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Solution
The fourth proportional to 209,953,207.70, 314,929,811.55 and 73,589,383.70 is: 110,384,075.55
Step by Step Solution
- Step 1: Write the proportion equation
209,953,207.70 : 314,929,811.55 = 73,589,383.70 : x - Step 2: Convert to fraction form
209,953,207.70/314,929,811.55 = 73,589,383.70/x - Step 3: Cross multiply
209,953,207.70x = 314,929,811.55 × 73,589,383.70 - Step 4: Simplify right side
209,953,207.70x = 23,175,490,740,721,644 - Step 5: Solve for x
x = 23,175,490,740,721,644/209,953,207.70 - Step 6: Final answer
x = 110,384,075.55
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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.