Finding the Fourth Proportional to 63,033,131.28, 87,026,197.20 and 39,543,865.68
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Solution
The fourth proportional to 63,033,131.28, 87,026,197.20 and 39,543,865.68 is: 54,595,927.30
Step by Step Solution
- Step 1: Write the proportion equation
63,033,131.28 : 87,026,197.20 = 39,543,865.68 : x - Step 2: Convert to fraction form
63,033,131.28/87,026,197.20 = 39,543,865.68/x - Step 3: Cross multiply
63,033,131.28x = 87,026,197.20 × 39,543,865.68 - Step 4: Simplify right side
63,033,131.28x = 3,441,352,252,717,992 - Step 5: Solve for x
x = 3,441,352,252,717,992/63,033,131.28 - Step 6: Final answer
x = 54,595,927.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.