Finding the Fourth Proportional to 79,865,276.44, 119,811,165.48 and 28,036,444
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Solution
The fourth proportional to 79,865,276.44, 119,811,165.48 and 28,036,444 is: 42,059,317.66
Step by Step Solution
- Step 1: Write the proportion equation
79,865,276.44 : 119,811,165.48 = 28,036,444 : x - Step 2: Convert to fraction form
79,865,276.44/119,811,165.48 = 28,036,444/x - Step 3: Cross multiply
79,865,276.44x = 119,811,165.48 × 28,036,444 - Step 4: Simplify right side
79,865,276.44x = 3,359,079,031,554,753 - Step 5: Solve for x
x = 3,359,079,031,554,753/79,865,276.44 - Step 6: Final answer
x = 42,059,317.66
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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.