Finding the Fourth Proportional to 159,545,620.40, 239,318,430.60 and 83,018,116.40
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Solution
The fourth proportional to 159,545,620.40, 239,318,430.60 and 83,018,116.40 is: 124,527,174.60
Step by Step Solution
- Step 1: Write the proportion equation
159,545,620.40 : 239,318,430.60 = 83,018,116.40 : x - Step 2: Convert to fraction form
159,545,620.40/239,318,430.60 = 83,018,116.40/x - Step 3: Cross multiply
159,545,620.40x = 239,318,430.60 × 83,018,116.40 - Step 4: Simplify right side
159,545,620.40x = 19,867,765,328,216,124 - Step 5: Solve for x
x = 19,867,765,328,216,124/159,545,620.40 - Step 6: Final answer
x = 124,527,174.60
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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.