Finding the Fourth Proportional to 260,543,272.51, 359,555,963.36 and 141,470,882.99
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Solution
The fourth proportional to 260,543,272.51, 359,555,963.36 and 141,470,882.99 is: 195,233,210.71
Step by Step Solution
- Step 1: Write the proportion equation
260,543,272.51 : 359,555,963.36 = 141,470,882.99 : x - Step 2: Convert to fraction form
260,543,272.51/359,555,963.36 = 141,470,882.99/x - Step 3: Cross multiply
260,543,272.51x = 359,555,963.36 × 141,470,882.99 - Step 4: Simplify right side
260,543,272.51x = 50,866,699,620,940,360 - Step 5: Solve for x
x = 50,866,699,620,940,360/260,543,272.51 - Step 6: Final answer
x = 195,233,210.71
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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.