Finding the Fourth Proportional to 293,414,711.70, 440,122,067.55 and 140,359,703.70
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Solution
The fourth proportional to 293,414,711.70, 440,122,067.55 and 140,359,703.70 is: 210,539,555.55
Step by Step Solution
- Step 1: Write the proportion equation
293,414,711.70 : 440,122,067.55 = 140,359,703.70 : x - Step 2: Convert to fraction form
293,414,711.70/440,122,067.55 = 140,359,703.70/x - Step 3: Cross multiply
293,414,711.70x = 440,122,067.55 × 140,359,703.70 - Step 4: Simplify right side
293,414,711.70x = 61,775,402,993,149,384 - Step 5: Solve for x
x = 61,775,402,993,149,384/293,414,711.70 - Step 6: Final answer
x = 210,539,555.55
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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.