Finding the Fourth Proportional to 92,942,471.35, 128,263,003.74 and 51,127,610.90
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Solution
The fourth proportional to 92,942,471.35, 128,263,003.74 and 51,127,610.90 is: 70,557,419.59
Step by Step Solution
- Step 1: Write the proportion equation
92,942,471.35 : 128,263,003.74 = 51,127,610.90 : x - Step 2: Convert to fraction form
92,942,471.35/128,263,003.74 = 51,127,610.90/x - Step 3: Cross multiply
92,942,471.35x = 128,263,003.74 × 51,127,610.90 - Step 4: Simplify right side
92,942,471.35x = 6,557,780,948,404,622 - Step 5: Solve for x
x = 6,557,780,948,404,622/92,942,471.35 - Step 6: Final answer
x = 70,557,419.59
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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.