Finding the Fourth Proportional to 67,787,378.18, 92,295,102.86 and 67,572,144.56
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Solution
The fourth proportional to 67,787,378.18, 92,295,102.86 and 67,572,144.56 is: 92,002,054.07
Step by Step Solution
- Step 1: Write the proportion equation
67,787,378.18 : 92,295,102.86 = 67,572,144.56 : x - Step 2: Convert to fraction form
67,787,378.18/92,295,102.86 = 67,572,144.56/x - Step 3: Cross multiply
67,787,378.18x = 92,295,102.86 × 67,572,144.56 - Step 4: Simplify right side
67,787,378.18x = 6,236,578,032,635,990 - Step 5: Solve for x
x = 6,236,578,032,635,990/67,787,378.18 - Step 6: Final answer
x = 92,002,054.07
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.