Finding the Fourth Proportional to 84,796,247.80, 127,194,371.70 and 70,925,637.70
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Solution
The fourth proportional to 84,796,247.80, 127,194,371.70 and 70,925,637.70 is: 106,388,456.55
Step by Step Solution
- Step 1: Write the proportion equation
84,796,247.80 : 127,194,371.70 = 70,925,637.70 : x - Step 2: Convert to fraction form
84,796,247.80/127,194,371.70 = 70,925,637.70/x - Step 3: Cross multiply
84,796,247.80x = 127,194,371.70 × 70,925,637.70 - Step 4: Simplify right side
84,796,247.80x = 9,021,341,924,673,334 - Step 5: Solve for x
x = 9,021,341,924,673,334/84,796,247.80 - Step 6: Final answer
x = 106,388,456.55
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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.