Finding the Fourth Proportional to 177,811,356.78, 266,717,035.17 and 117,212,911.02
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Solution
The fourth proportional to 177,811,356.78, 266,717,035.17 and 117,212,911.02 is: 175,819,366.53
Step by Step Solution
- Step 1: Write the proportion equation
177,811,356.78 : 266,717,035.17 = 117,212,911.02 : x - Step 2: Convert to fraction form
177,811,356.78/266,717,035.17 = 117,212,911.02/x - Step 3: Cross multiply
177,811,356.78x = 266,717,035.17 × 117,212,911.02 - Step 4: Simplify right side
177,811,356.78x = 31,262,680,110,899,416 - Step 5: Solve for x
x = 31,262,680,110,899,416/177,811,356.78 - Step 6: Final answer
x = 175,819,366.53
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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.