Finding the Fourth Proportional to 124,263,489.92, 171,483,805.12 and 69,258,165.44
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Solution
The fourth proportional to 124,263,489.92, 171,483,805.12 and 69,258,165.44 is: 95,576,373.66
Step by Step Solution
- Step 1: Write the proportion equation
124,263,489.92 : 171,483,805.12 = 69,258,165.44 : x - Step 2: Convert to fraction form
124,263,489.92/171,483,805.12 = 69,258,165.44/x - Step 3: Cross multiply
124,263,489.92x = 171,483,805.12 × 69,258,165.44 - Step 4: Simplify right side
124,263,489.92x = 11,876,653,745,281,678 - Step 5: Solve for x
x = 11,876,653,745,281,678/124,263,489.92 - Step 6: Final answer
x = 95,576,373.66
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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.