Finding the Fourth Proportional to 163,949,936.91, 245,888,629.36 and 47,339,981.04
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Solution
The fourth proportional to 163,949,936.91, 245,888,629.36 and 47,339,981.04 is: 70,999,496.99
Step by Step Solution
- Step 1: Write the proportion equation
163,949,936.91 : 245,888,629.36 = 47,339,981.04 : x - Step 2: Convert to fraction form
163,949,936.91/245,888,629.36 = 47,339,981.04/x - Step 3: Cross multiply
163,949,936.91x = 245,888,629.36 × 47,339,981.04 - Step 4: Simplify right side
163,949,936.91x = 11,640,363,051,853,988 - Step 5: Solve for x
x = 11,640,363,051,853,988/163,949,936.91 - Step 6: Final answer
x = 70,999,496.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.