Finding the Fourth Proportional to 159,562,713.80, 239,356,512.30 and 68,689,267.40
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Solution
The fourth proportional to 159,562,713.80, 239,356,512.30 and 68,689,267.40 is: 103,039,257.02
Step by Step Solution
- Step 1: Write the proportion equation
159,562,713.80 : 239,356,512.30 = 68,689,267.40 : x - Step 2: Convert to fraction form
159,562,713.80/239,356,512.30 = 68,689,267.40/x - Step 3: Cross multiply
159,562,713.80x = 239,356,512.30 × 68,689,267.40 - Step 4: Simplify right side
159,562,713.80x = 16,441,223,477,306,092 - Step 5: Solve for x
x = 16,441,223,477,306,092/159,562,713.80 - Step 6: Final answer
x = 103,039,257.02
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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.