Finding the Fourth Proportional to 208,963,251.80, 313,444,877.70 and 55,624,808.60
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Solution
The fourth proportional to 208,963,251.80, 313,444,877.70 and 55,624,808.60 is: 83,437,212.90
Step by Step Solution
- Step 1: Write the proportion equation
208,963,251.80 : 313,444,877.70 = 55,624,808.60 : x - Step 2: Convert to fraction form
208,963,251.80/313,444,877.70 = 55,624,808.60/x - Step 3: Cross multiply
208,963,251.80x = 313,444,877.70 × 55,624,808.60 - Step 4: Simplify right side
208,963,251.80x = 17,435,311,328,712,908 - Step 5: Solve for x
x = 17,435,311,328,712,908/208,963,251.80 - Step 6: Final answer
x = 83,437,212.90
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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.