Finding the Fourth Proportional to 159,484,996.20, 239,339,468.70 and 68,673,757.80
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Solution
The fourth proportional to 159,484,996.20, 239,339,468.70 and 68,673,757.80 is: 103,058,852.54
Step by Step Solution
- Step 1: Write the proportion equation
159,484,996.20 : 239,339,468.70 = 68,673,757.80 : x - Step 2: Convert to fraction form
159,484,996.20/239,339,468.70 = 68,673,757.80/x - Step 3: Cross multiply
159,484,996.20x = 239,339,468.70 × 68,673,757.80 - Step 4: Simplify right side
159,484,996.20x = 16,436,340,705,484,480 - Step 5: Solve for x
x = 16,436,340,705,484,480/159,484,996.20 - Step 6: Final answer
x = 103,058,852.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.