Finding the Fourth Proportional to 291,279,793.49, 436,923,476.52 and 97,191,208.67
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Solution
The fourth proportional to 291,279,793.49, 436,923,476.52 and 97,191,208.67 is: 145,788,076.37
Step by Step Solution
- Step 1: Write the proportion equation
291,279,793.49 : 436,923,476.52 = 97,191,208.67 : x - Step 2: Convert to fraction form
291,279,793.49/436,923,476.52 = 97,191,208.67/x - Step 3: Cross multiply
291,279,793.49x = 436,923,476.52 × 97,191,208.67 - Step 4: Simplify right side
291,279,793.49x = 42,465,120,779,277,168 - Step 5: Solve for x
x = 42,465,120,779,277,168/291,279,793.49 - Step 6: Final answer
x = 145,788,076.37
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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.