Finding the Fourth Proportional to 77,260,434.99, 106,619,375.88 and 42,455,367.45
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Solution
The fourth proportional to 77,260,434.99, 106,619,375.88 and 42,455,367.45 is: 58,588,393.67
Step by Step Solution
- Step 1: Write the proportion equation
77,260,434.99 : 106,619,375.88 = 42,455,367.45 : x - Step 2: Convert to fraction form
77,260,434.99/106,619,375.88 = 42,455,367.45/x - Step 3: Cross multiply
77,260,434.99x = 106,619,375.88 × 42,455,367.45 - Step 4: Simplify right side
77,260,434.99x = 4,526,564,780,275,067 - Step 5: Solve for x
x = 4,526,564,780,275,067/77,260,434.99 - Step 6: Final answer
x = 58,588,393.67
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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.