Finding the Fourth Proportional to 66,653,163.54, 91,944,315 and 38,772,736.74
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Solution
The fourth proportional to 66,653,163.54, 91,944,315 and 38,772,736.74 is: 53,484,823.99
Step by Step Solution
- Step 1: Write the proportion equation
66,653,163.54 : 91,944,315 = 38,772,736.74 : x - Step 2: Convert to fraction form
66,653,163.54/91,944,315 = 38,772,736.74/x - Step 3: Cross multiply
66,653,163.54x = 91,944,315 × 38,772,736.74 - Step 4: Simplify right side
66,653,163.54x = 3,564,932,720,234,633.50 - Step 5: Solve for x
x = 3,564,932,720,234,633.50/66,653,163.54 - Step 6: Final answer
x = 53,484,823.99
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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.