Finding the Fourth Proportional to 103,928,785.68, 143,405,747.40 and 59,867,178.42
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Solution
The fourth proportional to 103,928,785.68, 143,405,747.40 and 59,867,178.42 is: 82,607,502.92
Step by Step Solution
- Step 1: Write the proportion equation
103,928,785.68 : 143,405,747.40 = 59,867,178.42 : x - Step 2: Convert to fraction form
103,928,785.68/143,405,747.40 = 59,867,178.42/x - Step 3: Cross multiply
103,928,785.68x = 143,405,747.40 × 59,867,178.42 - Step 4: Simplify right side
103,928,785.68x = 8,585,297,466,049,252 - Step 5: Solve for x
x = 8,585,297,466,049,252/103,928,785.68 - Step 6: Final answer
x = 82,607,502.92
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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.