Finding the Fourth Proportional to 71,289,280.17, 106,916,798.48 and 32,913,923.13
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Solution
The fourth proportional to 71,289,280.17, 106,916,798.48 and 32,913,923.13 is: 49,362,979.65
Step by Step Solution
- Step 1: Write the proportion equation
71,289,280.17 : 106,916,798.48 = 32,913,923.13 : x - Step 2: Convert to fraction form
71,289,280.17/106,916,798.48 = 32,913,923.13/x - Step 3: Cross multiply
71,289,280.17x = 106,916,798.48 × 32,913,923.13 - Step 4: Simplify right side
71,289,280.17x = 3,519,051,286,311,851 - Step 5: Solve for x
x = 3,519,051,286,311,851/71,289,280.17 - Step 6: Final answer
x = 49,362,979.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.