Finding the Fourth Proportional to 159,847,693.20, 239,771,539.80 and 73,754,251.20
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Solution
The fourth proportional to 159,847,693.20, 239,771,539.80 and 73,754,251.20 is: 110,631,376.80
Step by Step Solution
- Step 1: Write the proportion equation
159,847,693.20 : 239,771,539.80 = 73,754,251.20 : x - Step 2: Convert to fraction form
159,847,693.20/239,771,539.80 = 73,754,251.20/x - Step 3: Cross multiply
159,847,693.20x = 239,771,539.80 × 73,754,251.20 - Step 4: Simplify right side
159,847,693.20x = 17,684,170,377,020,000 - Step 5: Solve for x
x = 17,684,170,377,020,000/159,847,693.20 - Step 6: Final answer
x = 110,631,376.80
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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.