Finding the Fourth Proportional to 205,224,034.41, 283,209,320.17 and 111,138,911.68
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Solution
The fourth proportional to 205,224,034.41, 283,209,320.17 and 111,138,911.68 is: 153,371,780.80
Step by Step Solution
- Step 1: Write the proportion equation
205,224,034.41 : 283,209,320.17 = 111,138,911.68 : x - Step 2: Convert to fraction form
205,224,034.41/283,209,320.17 = 111,138,911.68/x - Step 3: Cross multiply
205,224,034.41x = 283,209,320.17 × 111,138,911.68 - Step 4: Simplify right side
205,224,034.41x = 31,475,575,621,326,476 - Step 5: Solve for x
x = 31,475,575,621,326,476/205,224,034.41 - Step 6: Final answer
x = 153,371,780.80
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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.