Finding the Fourth Proportional to 112,753,267.06, 155,612,416.65 and 63,207,022.66
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Solution
The fourth proportional to 112,753,267.06, 155,612,416.65 and 63,207,022.66 is: 87,232,927.27
Step by Step Solution
- Step 1: Write the proportion equation
112,753,267.06 : 155,612,416.65 = 63,207,022.66 : x - Step 2: Convert to fraction form
112,753,267.06/155,612,416.65 = 63,207,022.66/x - Step 3: Cross multiply
112,753,267.06x = 155,612,416.65 × 63,207,022.66 - Step 4: Simplify right side
112,753,267.06x = 9,835,797,545,373,912 - Step 5: Solve for x
x = 9,835,797,545,373,912/112,753,267.06 - Step 6: Final answer
x = 87,232,927.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.