Finding the Fourth Proportional to 86,617,756.38, 129,926,635.83 and 29,110,029.42
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Solution
The fourth proportional to 86,617,756.38, 129,926,635.83 and 29,110,029.42 is: 43,665,044.55
Step by Step Solution
- Step 1: Write the proportion equation
86,617,756.38 : 129,926,635.83 = 29,110,029.42 : x - Step 2: Convert to fraction form
86,617,756.38/129,926,635.83 = 29,110,029.42/x - Step 3: Cross multiply
86,617,756.38x = 129,926,635.83 × 29,110,029.42 - Step 4: Simplify right side
86,617,756.38x = 3,782,168,191,452,926.50 - Step 5: Solve for x
x = 3,782,168,191,452,926.50/86,617,756.38 - Step 6: Final answer
x = 43,665,044.55
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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.