Finding the Fourth Proportional to 146,128,809.36, 201,518,608.68 and 87,381,906.96
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Solution
The fourth proportional to 146,128,809.36, 201,518,608.68 and 87,381,906.96 is: 120,503,823.93
Step by Step Solution
- Step 1: Write the proportion equation
146,128,809.36 : 201,518,608.68 = 87,381,906.96 : x - Step 2: Convert to fraction form
146,128,809.36/201,518,608.68 = 87,381,906.96/x - Step 3: Cross multiply
146,128,809.36x = 201,518,608.68 × 87,381,906.96 - Step 4: Simplify right side
146,128,809.36x = 17,609,080,314,384,408 - Step 5: Solve for x
x = 17,609,080,314,384,408/146,128,809.36 - Step 6: Final answer
x = 120,503,823.93
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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.