Finding the Fourth Proportional to 97,811,747.70, 146,717,621.55 and 59,547,995.70
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Solution
The fourth proportional to 97,811,747.70, 146,717,621.55 and 59,547,995.70 is: 89,321,993.55
Step by Step Solution
- Step 1: Write the proportion equation
97,811,747.70 : 146,717,621.55 = 59,547,995.70 : x - Step 2: Convert to fraction form
97,811,747.70/146,717,621.55 = 59,547,995.70/x - Step 3: Cross multiply
97,811,747.70x = 146,717,621.55 × 59,547,995.70 - Step 4: Simplify right side
97,811,747.70x = 8,736,740,297,173,628 - Step 5: Solve for x
x = 8,736,740,297,173,628/97,811,747.70 - Step 6: Final answer
x = 89,321,993.55
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Double scale
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Similar ratio
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1.5x scale
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.