Finding the Fourth Proportional to 97,732,409.40, 146,598,614.10 and 64,995,643.80
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Solution
The fourth proportional to 97,732,409.40, 146,598,614.10 and 64,995,643.80 is: 97,493,465.70
Step by Step Solution
- Step 1: Write the proportion equation
97,732,409.40 : 146,598,614.10 = 64,995,643.80 : x - Step 2: Convert to fraction form
97,732,409.40/146,598,614.10 = 64,995,643.80/x - Step 3: Cross multiply
97,732,409.40x = 146,598,614.10 × 64,995,643.80 - Step 4: Simplify right side
97,732,409.40x = 9,528,271,303,617,256 - Step 5: Solve for x
x = 9,528,271,303,617,256/97,732,409.40 - Step 6: Final answer
x = 97,493,465.70
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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.