Finding the Fourth Proportional to 92,448,015.70, 138,672,023.55 and 65,574,159.70
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Solution
The fourth proportional to 92,448,015.70, 138,672,023.55 and 65,574,159.70 is: 98,361,239.55
Step by Step Solution
- Step 1: Write the proportion equation
92,448,015.70 : 138,672,023.55 = 65,574,159.70 : x - Step 2: Convert to fraction form
92,448,015.70/138,672,023.55 = 65,574,159.70/x - Step 3: Cross multiply
92,448,015.70x = 138,672,023.55 × 65,574,159.70 - Step 4: Simplify right side
92,448,015.70x = 9,093,301,418,189,862 - Step 5: Solve for x
x = 9,093,301,418,189,862/92,448,015.70 - Step 6: Final answer
x = 98,361,239.55
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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.