Finding the Fourth Proportional to 55,307,908.08, 76,313,518.61 and 31,781,900.75
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Solution
The fourth proportional to 55,307,908.08, 76,313,518.61 and 31,781,900.75 is: 43,852,475.32
Step by Step Solution
- Step 1: Write the proportion equation
55,307,908.08 : 76,313,518.61 = 31,781,900.75 : x - Step 2: Convert to fraction form
55,307,908.08/76,313,518.61 = 31,781,900.75/x - Step 3: Cross multiply
55,307,908.08x = 76,313,518.61 × 31,781,900.75 - Step 4: Simplify right side
55,307,908.08x = 2,425,388,673,805,821 - Step 5: Solve for x
x = 2,425,388,673,805,821/55,307,908.08 - Step 6: Final answer
x = 43,852,475.32
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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.