Finding the Fourth Proportional to 74,069,720.81, 102,251,658.53 and 49,331,076.65
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Solution
The fourth proportional to 74,069,720.81, 102,251,658.53 and 49,331,076.65 is: 68,100,491.66
Step by Step Solution
- Step 1: Write the proportion equation
74,069,720.81 : 102,251,658.53 = 49,331,076.65 : x - Step 2: Convert to fraction form
74,069,720.81/102,251,658.53 = 49,331,076.65/x - Step 3: Cross multiply
74,069,720.81x = 102,251,658.53 × 49,331,076.65 - Step 4: Simplify right side
74,069,720.81x = 5,044,184,404,286,401 - Step 5: Solve for x
x = 5,044,184,404,286,401/74,069,720.81 - Step 6: Final answer
x = 68,100,491.66
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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.