Finding the Fourth Proportional to 57,856,710.76, 79,840,462.24 and 31,750,557.36
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Solution
The fourth proportional to 57,856,710.76, 79,840,462.24 and 31,750,557.36 is: 43,814,782.12
Step by Step Solution
- Step 1: Write the proportion equation
57,856,710.76 : 79,840,462.24 = 31,750,557.36 : x - Step 2: Convert to fraction form
57,856,710.76/79,840,462.24 = 31,750,557.36/x - Step 3: Cross multiply
57,856,710.76x = 79,840,462.24 × 31,750,557.36 - Step 4: Simplify right side
57,856,710.76x = 2,534,979,176,000,034 - Step 5: Solve for x
x = 2,534,979,176,000,034/57,856,710.76 - Step 6: Final answer
x = 43,814,782.12
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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.