Finding the Fourth Proportional to 124,103,794.36, 171,257,710.46 and 71,142,533.03
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Solution
The fourth proportional to 124,103,794.36, 171,257,710.46 and 71,142,533.03 is: 98,173,527.94
Step by Step Solution
- Step 1: Write the proportion equation
124,103,794.36 : 171,257,710.46 = 71,142,533.03 : x - Step 2: Convert to fraction form
124,103,794.36/171,257,710.46 = 71,142,533.03/x - Step 3: Cross multiply
124,103,794.36x = 171,257,710.46 × 71,142,533.03 - Step 4: Simplify right side
124,103,794.36x = 12,183,707,322,364,296 - Step 5: Solve for x
x = 12,183,707,322,364,296/124,103,794.36 - Step 6: Final answer
x = 98,173,527.94
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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.