Finding the Fourth Proportional to 499,367,710.80, 749,051,566.20 and 135,862,066.80
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Solution
The fourth proportional to 499,367,710.80, 749,051,566.20 and 135,862,066.80 is: 203,793,100.20
Step by Step Solution
- Step 1: Write the proportion equation
499,367,710.80 : 749,051,566.20 = 135,862,066.80 : x - Step 2: Convert to fraction form
499,367,710.80/749,051,566.20 = 135,862,066.80/x - Step 3: Cross multiply
499,367,710.80x = 749,051,566.20 × 135,862,066.80 - Step 4: Simplify right side
499,367,710.80x = 101,767,693,923,709,040 - Step 5: Solve for x
x = 101,767,693,923,709,040/499,367,710.80 - Step 6: Final answer
x = 203,793,100.20
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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.