Finding the Fourth Proportional to 187,812,202.91, 259,179,885.28 and 104,179,467.68
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Solution
The fourth proportional to 187,812,202.91, 259,179,885.28 and 104,179,467.68 is: 143,767,135.80
Step by Step Solution
- Step 1: Write the proportion equation
187,812,202.91 : 259,179,885.28 = 104,179,467.68 : x - Step 2: Convert to fraction form
187,812,202.91/259,179,885.28 = 104,179,467.68/x - Step 3: Cross multiply
187,812,202.91x = 259,179,885.28 × 104,179,467.68 - Step 4: Simplify right side
187,812,202.91x = 27,001,222,480,277,520 - Step 5: Solve for x
x = 27,001,222,480,277,520/187,812,202.91 - Step 6: Final answer
x = 143,767,135.80
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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.