Finding the Fourth Proportional to 115,475,433.54, 159,354,769.79 and 62,551,130.68
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Solution
The fourth proportional to 115,475,433.54, 159,354,769.79 and 62,551,130.68 is: 86,319,840.72
Step by Step Solution
- Step 1: Write the proportion equation
115,475,433.54 : 159,354,769.79 = 62,551,130.68 : x - Step 2: Convert to fraction form
115,475,433.54/159,354,769.79 = 62,551,130.68/x - Step 3: Cross multiply
115,475,433.54x = 159,354,769.79 × 62,551,130.68 - Step 4: Simplify right side
115,475,433.54x = 9,967,821,029,619,640 - Step 5: Solve for x
x = 9,967,821,029,619,640/115,475,433.54 - Step 6: Final answer
x = 86,319,840.72
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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.