Finding the Fourth Proportional to 75,577,367.28, 113,349,254.76 and 31,851,364.08
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Solution
The fourth proportional to 75,577,367.28, 113,349,254.76 and 31,851,364.08 is: 47,769,967.54
Step by Step Solution
- Step 1: Write the proportion equation
75,577,367.28 : 113,349,254.76 = 31,851,364.08 : x - Step 2: Convert to fraction form
75,577,367.28/113,349,254.76 = 31,851,364.08/x - Step 3: Cross multiply
75,577,367.28x = 113,349,254.76 × 31,851,364.08 - Step 4: Simplify right side
75,577,367.28x = 3,610,328,381,557,433 - Step 5: Solve for x
x = 3,610,328,381,557,433/75,577,367.28 - Step 6: Final answer
x = 47,769,967.54
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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.