Finding the Fourth Proportional to 253,263,135.96, 349,499,698.02 and 141,753,943.62
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Solution
The fourth proportional to 253,263,135.96, 349,499,698.02 and 141,753,943.62 is: 195,618,522.61
Step by Step Solution
- Step 1: Write the proportion equation
253,263,135.96 : 349,499,698.02 = 141,753,943.62 : x - Step 2: Convert to fraction form
253,263,135.96/349,499,698.02 = 141,753,943.62/x - Step 3: Cross multiply
253,263,135.96x = 349,499,698.02 × 141,753,943.62 - Step 4: Simplify right side
253,263,135.96x = 49,542,960,488,334,104 - Step 5: Solve for x
x = 49,542,960,488,334,104/253,263,135.96 - Step 6: Final answer
x = 195,618,522.61
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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.