Finding the Fourth Proportional to 90,905,761.56, 136,418,303.68 and 33,398,509.08
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Solution
The fourth proportional to 90,905,761.56, 136,418,303.68 and 33,398,509.08 is: 50,119,683.02
Step by Step Solution
- Step 1: Write the proportion equation
90,905,761.56 : 136,418,303.68 = 33,398,509.08 : x - Step 2: Convert to fraction form
90,905,761.56/136,418,303.68 = 33,398,509.08/x - Step 3: Cross multiply
90,905,761.56x = 136,418,303.68 × 33,398,509.08 - Step 4: Simplify right side
90,905,761.56x = 4,556,167,954,134,677 - Step 5: Solve for x
x = 4,556,167,954,134,677/90,905,761.56 - Step 6: Final answer
x = 50,119,683.02
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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.