Finding the Fourth Proportional to 199,417,604.20, 299,126,406.30 and 124,656,029.80
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Solution
The fourth proportional to 199,417,604.20, 299,126,406.30 and 124,656,029.80 is: 186,984,044.70
Step by Step Solution
- Step 1: Write the proportion equation
199,417,604.20 : 299,126,406.30 = 124,656,029.80 : x - Step 2: Convert to fraction form
199,417,604.20/299,126,406.30 = 124,656,029.80/x - Step 3: Cross multiply
199,417,604.20x = 299,126,406.30 × 124,656,029.80 - Step 4: Simplify right side
199,417,604.20x = 37,287,910,217,699,712 - Step 5: Solve for x
x = 37,287,910,217,699,712/199,417,604.20 - Step 6: Final answer
x = 186,984,044.70
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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.