Finding the Fourth Proportional to 294,991,207.80, 442,486,811.70 and 103,514,983.80
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Solution
The fourth proportional to 294,991,207.80, 442,486,811.70 and 103,514,983.80 is: 155,272,475.70
Step by Step Solution
- Step 1: Write the proportion equation
294,991,207.80 : 442,486,811.70 = 103,514,983.80 : x - Step 2: Convert to fraction form
294,991,207.80/442,486,811.70 = 103,514,983.80/x - Step 3: Cross multiply
294,991,207.80x = 442,486,811.70 × 103,514,983.80 - Step 4: Simplify right side
294,991,207.80x = 45,804,015,144,839,144 - Step 5: Solve for x
x = 45,804,015,144,839,144/294,991,207.80 - Step 6: Final answer
x = 155,272,475.70
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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.