Finding the Fourth Proportional to 133,057,710.80, 199,586,566.20 and 97,225,902.80
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Solution
The fourth proportional to 133,057,710.80, 199,586,566.20 and 97,225,902.80 is: 145,838,854.20
Step by Step Solution
- Step 1: Write the proportion equation
133,057,710.80 : 199,586,566.20 = 97,225,902.80 : x - Step 2: Convert to fraction form
133,057,710.80/199,586,566.20 = 97,225,902.80/x - Step 3: Cross multiply
133,057,710.80x = 199,586,566.20 × 97,225,902.80 - Step 4: Simplify right side
133,057,710.80x = 19,404,984,085,546,964 - Step 5: Solve for x
x = 19,404,984,085,546,964/133,057,710.80 - Step 6: Final answer
x = 145,838,854.20
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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.