Finding the Fourth Proportional to 182,142,524.28, 251,358,677.84 and 99,636,309.84
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Solution
The fourth proportional to 182,142,524.28, 251,358,677.84 and 99,636,309.84 is: 137,499,198.53
Step by Step Solution
- Step 1: Write the proportion equation
182,142,524.28 : 251,358,677.84 = 99,636,309.84 : x - Step 2: Convert to fraction form
182,142,524.28/251,358,677.84 = 99,636,309.84/x - Step 3: Cross multiply
182,142,524.28x = 251,358,677.84 × 99,636,309.84 - Step 4: Simplify right side
182,142,524.28x = 25,044,451,106,238,984 - Step 5: Solve for x
x = 25,044,451,106,238,984/182,142,524.28 - Step 6: Final answer
x = 137,499,198.53
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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.