Finding the Fourth Proportional to 63,006,992.74, 86,949,135.21 and 35,129,371.78
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Solution
The fourth proportional to 63,006,992.74, 86,949,135.21 and 35,129,371.78 is: 48,478,246.05
Step by Step Solution
- Step 1: Write the proportion equation
63,006,992.74 : 86,949,135.21 = 35,129,371.78 : x - Step 2: Convert to fraction form
63,006,992.74/86,949,135.21 = 35,129,371.78/x - Step 3: Cross multiply
63,006,992.74x = 86,949,135.21 × 35,129,371.78 - Step 4: Simplify right side
63,006,992.74x = 3,054,468,496,741,578 - Step 5: Solve for x
x = 3,054,468,496,741,578/63,006,992.74 - Step 6: Final answer
x = 48,478,246.05
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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.