Finding the Fourth Proportional to 147,616,167.70, 221,424,251.55 and 65,734,887.70
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Solution
The fourth proportional to 147,616,167.70, 221,424,251.55 and 65,734,887.70 is: 98,602,331.55
Step by Step Solution
- Step 1: Write the proportion equation
147,616,167.70 : 221,424,251.55 = 65,734,887.70 : x - Step 2: Convert to fraction form
147,616,167.70/221,424,251.55 = 65,734,887.70/x - Step 3: Cross multiply
147,616,167.70x = 221,424,251.55 × 65,734,887.70 - Step 4: Simplify right side
147,616,167.70x = 14,555,298,309,695,802 - Step 5: Solve for x
x = 14,555,298,309,695,802/147,616,167.70 - Step 6: Final answer
x = 98,602,331.55
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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.