Finding the Fourth Proportional to 65,995,271.20, 98,992,906.80 and 48,989,159.20
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Solution
The fourth proportional to 65,995,271.20, 98,992,906.80 and 48,989,159.20 is: 73,483,738.80
Step by Step Solution
- Step 1: Write the proportion equation
65,995,271.20 : 98,992,906.80 = 48,989,159.20 : x - Step 2: Convert to fraction form
65,995,271.20/98,992,906.80 = 48,989,159.20/x - Step 3: Cross multiply
65,995,271.20x = 98,992,906.80 × 48,989,159.20 - Step 4: Simplify right side
65,995,271.20x = 4,849,579,270,895,963 - Step 5: Solve for x
x = 4,849,579,270,895,963/65,995,271.20 - Step 6: Final answer
x = 73,483,738.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.