Finding the Fourth Proportional to 104,284,943.92, 156,427,416.16 and 55,615,347.12
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Solution
The fourth proportional to 104,284,943.92, 156,427,416.16 and 55,615,347.12 is: 83,423,020.83
Step by Step Solution
- Step 1: Write the proportion equation
104,284,943.92 : 156,427,416.16 = 55,615,347.12 : x - Step 2: Convert to fraction form
104,284,943.92/156,427,416.16 = 55,615,347.12/x - Step 3: Cross multiply
104,284,943.92x = 156,427,416.16 × 55,615,347.12 - Step 4: Simplify right side
104,284,943.92x = 8,699,765,048,823,097 - Step 5: Solve for x
x = 8,699,765,048,823,097/104,284,943.92 - Step 6: Final answer
x = 83,423,020.83
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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.