Finding the Fourth Proportional to 83,592,467.40, 125,388,701.10 and 50,855,701.80
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Solution
The fourth proportional to 83,592,467.40, 125,388,701.10 and 50,855,701.80 is: 76,283,552.70
Step by Step Solution
- Step 1: Write the proportion equation
83,592,467.40 : 125,388,701.10 = 50,855,701.80 : x - Step 2: Convert to fraction form
83,592,467.40/125,388,701.10 = 50,855,701.80/x - Step 3: Cross multiply
83,592,467.40x = 125,388,701.10 × 50,855,701.80 - Step 4: Simplify right side
83,592,467.40x = 6,376,730,392,230,931 - Step 5: Solve for x
x = 6,376,730,392,230,931/83,592,467.40 - Step 6: Final answer
x = 76,283,552.70
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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.