Finding the Fourth Proportional to 84,011,039.16, 125,987,412.42 and 29,422,420.68
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Solution
The fourth proportional to 84,011,039.16, 125,987,412.42 and 29,422,420.68 is: 44,123,423.37
Step by Step Solution
- Step 1: Write the proportion equation
84,011,039.16 : 125,987,412.42 = 29,422,420.68 : x - Step 2: Convert to fraction form
84,011,039.16/125,987,412.42 = 29,422,420.68/x - Step 3: Cross multiply
84,011,039.16x = 125,987,412.42 × 29,422,420.68 - Step 4: Simplify right side
84,011,039.16x = 3,706,854,648,605,897 - Step 5: Solve for x
x = 3,706,854,648,605,897/84,011,039.16 - Step 6: Final answer
x = 44,123,423.37
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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.