Finding the Fourth Proportional to 55,014,244.16, 75,921,477.57 and 30,235,309.09
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Solution
The fourth proportional to 55,014,244.16, 75,921,477.57 and 30,235,309.09 is: 41,725,727.15
Step by Step Solution
- Step 1: Write the proportion equation
55,014,244.16 : 75,921,477.57 = 30,235,309.09 : x - Step 2: Convert to fraction form
55,014,244.16/75,921,477.57 = 30,235,309.09/x - Step 3: Cross multiply
55,014,244.16x = 75,921,477.57 × 30,235,309.09 - Step 4: Simplify right side
55,014,244.16x = 2,295,509,340,708,648 - Step 5: Solve for x
x = 2,295,509,340,708,648/55,014,244.16 - Step 6: Final answer
x = 41,725,727.15
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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.