Finding the Fourth Proportional to 65,995,245.70, 98,992,868.55 and 48,989,133.70
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Solution
The fourth proportional to 65,995,245.70, 98,992,868.55 and 48,989,133.70 is: 73,483,700.55
Step by Step Solution
- Step 1: Write the proportion equation
65,995,245.70 : 98,992,868.55 = 48,989,133.70 : x - Step 2: Convert to fraction form
65,995,245.70/98,992,868.55 = 48,989,133.70/x - Step 3: Cross multiply
65,995,245.70x = 98,992,868.55 × 48,989,133.70 - Step 4: Simplify right side
65,995,245.70x = 4,849,574,872,742,475 - Step 5: Solve for x
x = 4,849,574,872,742,475/65,995,245.70 - Step 6: Final answer
x = 73,483,700.55
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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.