Finding the Fourth Proportional to 48,876,642.18, 67,447,584.36 and 29,308,328.46
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Solution
The fourth proportional to 48,876,642.18, 67,447,584.36 and 29,308,328.46 is: 40,444,184.95
Step by Step Solution
- Step 1: Write the proportion equation
48,876,642.18 : 67,447,584.36 = 29,308,328.46 : x - Step 2: Convert to fraction form
48,876,642.18/67,447,584.36 = 29,308,328.46/x - Step 3: Cross multiply
48,876,642.18x = 67,447,584.36 × 29,308,328.46 - Step 4: Simplify right side
48,876,642.18x = 1,976,775,956,256,439 - Step 5: Solve for x
x = 1,976,775,956,256,439/48,876,642.18 - Step 6: Final answer
x = 40,444,184.95
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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.