Finding the Fourth Proportional to 291,030,231.70, 436,545,347.55 and 187,718,101.30
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Solution
The fourth proportional to 291,030,231.70, 436,545,347.55 and 187,718,101.30 is: 281,577,151.95
Step by Step Solution
- Step 1: Write the proportion equation
291,030,231.70 : 436,545,347.55 = 187,718,101.30 : x - Step 2: Convert to fraction form
291,030,231.70/436,545,347.55 = 187,718,101.30/x - Step 3: Cross multiply
291,030,231.70x = 436,545,347.55 × 187,718,101.30 - Step 4: Simplify right side
291,030,231.70x = 81,947,463,773,434,608 - Step 5: Solve for x
x = 81,947,463,773,434,608/291,030,231.70 - Step 6: Final answer
x = 281,577,151.95
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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.