Finding the Fourth Proportional to 273,211,478.58, 376,971,427.53 and 167,387,253.06
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Solution
The fourth proportional to 273,211,478.58, 376,971,427.53 and 167,387,253.06 is: 230,957,396.32
Step by Step Solution
- Step 1: Write the proportion equation
273,211,478.58 : 376,971,427.53 = 167,387,253.06 : x - Step 2: Convert to fraction form
273,211,478.58/376,971,427.53 = 167,387,253.06/x - Step 3: Cross multiply
273,211,478.58x = 376,971,427.53 × 167,387,253.06 - Step 4: Simplify right side
273,211,478.58x = 63,100,211,736,353,560 - Step 5: Solve for x
x = 63,100,211,736,353,560/273,211,478.58 - Step 6: Final answer
x = 230,957,396.32
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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.