Finding the Fourth Proportional to 115,475,435.54, 159,354,772.54 and 62,551,132.68
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Solution
The fourth proportional to 115,475,435.54, 159,354,772.54 and 62,551,132.68 is: 86,319,843.47
Step by Step Solution
- Step 1: Write the proportion equation
115,475,435.54 : 159,354,772.54 = 62,551,132.68 : x - Step 2: Convert to fraction form
115,475,435.54/159,354,772.54 = 62,551,132.68/x - Step 3: Cross multiply
115,475,435.54x = 159,354,772.54 × 62,551,132.68 - Step 4: Simplify right side
115,475,435.54x = 9,967,821,520,340,760 - Step 5: Solve for x
x = 9,967,821,520,340,760/115,475,435.54 - Step 6: Final answer
x = 86,319,843.47
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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.