Finding the Fourth Proportional to 110,990,568.90, 166,485,853.35 and 106,455,605.70
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Solution
The fourth proportional to 110,990,568.90, 166,485,853.35 and 106,455,605.70 is: 159,683,408.55
Step by Step Solution
- Step 1: Write the proportion equation
110,990,568.90 : 166,485,853.35 = 106,455,605.70 : x - Step 2: Convert to fraction form
110,990,568.90/166,485,853.35 = 106,455,605.70/x - Step 3: Cross multiply
110,990,568.90x = 166,485,853.35 × 106,455,605.70 - Step 4: Simplify right side
110,990,568.90x = 17,723,352,358,855,624 - Step 5: Solve for x
x = 17,723,352,358,855,624/110,990,568.90 - Step 6: Final answer
x = 159,683,408.55
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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.