Finding the Fourth Proportional to 69,545,203.20, 104,313,139.20 and 18,426,124.80
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Solution
The fourth proportional to 69,545,203.20, 104,313,139.20 and 18,426,124.80 is: 27,637,951.04
Step by Step Solution
- Step 1: Write the proportion equation
69,545,203.20 : 104,313,139.20 = 18,426,124.80 : x - Step 2: Convert to fraction form
69,545,203.20/104,313,139.20 = 18,426,124.80/x - Step 3: Cross multiply
69,545,203.20x = 104,313,139.20 × 18,426,124.80 - Step 4: Simplify right side
69,545,203.20x = 1,922,086,921,178,972.25 - Step 5: Solve for x
x = 1,922,086,921,178,972.25/69,545,203.20 - Step 6: Final answer
x = 27,637,951.04
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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.