Finding the Fourth Proportional to 115,909,822.80, 173,976,708.60 and 70,560,190.80
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Solution
The fourth proportional to 115,909,822.80, 173,976,708.60 and 70,560,190.80 is: 105,908,450.70
Step by Step Solution
- Step 1: Write the proportion equation
115,909,822.80 : 173,976,708.60 = 70,560,190.80 : x - Step 2: Convert to fraction form
115,909,822.80/173,976,708.60 = 70,560,190.80/x - Step 3: Cross multiply
115,909,822.80x = 173,976,708.60 × 70,560,190.80 - Step 4: Simplify right side
115,909,822.80x = 12,275,829,753,572,000 - Step 5: Solve for x
x = 12,275,829,753,572,000/115,909,822.80 - Step 6: Final answer
x = 105,908,450.70
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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.