Finding the Fourth Proportional to 75,613,276.40, 113,167,972.20 and 69,566,658.80
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Solution
The fourth proportional to 75,613,276.40, 113,167,972.20 and 69,566,658.80 is: 104,118,193.05
Step by Step Solution
- Step 1: Write the proportion equation
75,613,276.40 : 113,167,972.20 = 69,566,658.80 : x - Step 2: Convert to fraction form
75,613,276.40/113,167,972.20 = 69,566,658.80/x - Step 3: Cross multiply
75,613,276.40x = 113,167,972.20 × 69,566,658.80 - Step 4: Simplify right side
75,613,276.40x = 7,872,717,709,125,285 - Step 5: Solve for x
x = 7,872,717,709,125,285/75,613,276.40 - Step 6: Final answer
x = 104,118,193.05
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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.