Finding the Fourth Proportional to 79,863,427.60, 119,844,735.26 and 51,130,184.20
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Solution
The fourth proportional to 79,863,427.60, 119,844,735.26 and 51,130,184.20 is: 76,727,027.29
Step by Step Solution
- Step 1: Write the proportion equation
79,863,427.60 : 119,844,735.26 = 51,130,184.20 : x - Step 2: Convert to fraction form
79,863,427.60/119,844,735.26 = 51,130,184.20/x - Step 3: Cross multiply
79,863,427.60x = 119,844,735.26 × 51,130,184.20 - Step 4: Simplify right side
79,863,427.60x = 6,127,683,389,244,036 - Step 5: Solve for x
x = 6,127,683,389,244,036/79,863,427.60 - Step 6: Final answer
x = 76,727,027.29
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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.