Finding the Fourth Proportional to 203,270,437.08, 280,512,623.40 and 110,450,920.32
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Solution
The fourth proportional to 203,270,437.08, 280,512,623.40 and 110,450,920.32 is: 152,421,955.01
Step by Step Solution
- Step 1: Write the proportion equation
203,270,437.08 : 280,512,623.40 = 110,450,920.32 : x - Step 2: Convert to fraction form
203,270,437.08/280,512,623.40 = 110,450,920.32/x - Step 3: Cross multiply
203,270,437.08x = 280,512,623.40 × 110,450,920.32 - Step 4: Simplify right side
203,270,437.08x = 30,982,877,415,907,564 - Step 5: Solve for x
x = 30,982,877,415,907,564/203,270,437.08 - Step 6: Final answer
x = 152,421,955.01
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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.