Finding the Fourth Proportional to 57,703,504.17, 79,630,833.87 and 31,599,617.97
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Solution
The fourth proportional to 57,703,504.17, 79,630,833.87 and 31,599,617.97 is: 43,607,471.77
Step by Step Solution
- Step 1: Write the proportion equation
57,703,504.17 : 79,630,833.87 = 31,599,617.97 : x - Step 2: Convert to fraction form
57,703,504.17/79,630,833.87 = 31,599,617.97/x - Step 3: Cross multiply
57,703,504.17x = 79,630,833.87 × 31,599,617.97 - Step 4: Simplify right side
57,703,504.17x = 2,516,303,928,924,536.50 - Step 5: Solve for x
x = 2,516,303,928,924,536.50/57,703,504.17 - Step 6: Final answer
x = 43,607,471.77
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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.