Finding the Fourth Proportional to 115,562,698.13, 159,486,612.52 and 63,361,822.87
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Solution
The fourth proportional to 115,562,698.13, 159,486,612.52 and 63,361,822.87 is: 87,444,847.31
Step by Step Solution
- Step 1: Write the proportion equation
115,562,698.13 : 159,486,612.52 = 63,361,822.87 : x - Step 2: Convert to fraction form
115,562,698.13/159,486,612.52 = 63,361,822.87/x - Step 3: Cross multiply
115,562,698.13x = 159,486,612.52 × 63,361,822.87 - Step 4: Simplify right side
115,562,698.13x = 10,105,362,492,628,564 - Step 5: Solve for x
x = 10,105,362,492,628,564/115,562,698.13 - Step 6: Final answer
x = 87,444,847.31
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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.