Finding the Fourth Proportional to 80,026,972.99, 110,376,290.84 and 68,882,433.79
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Solution
The fourth proportional to 80,026,972.99, 110,376,290.84 and 68,882,433.79 is: 95,005,312.10
Step by Step Solution
- Step 1: Write the proportion equation
80,026,972.99 : 110,376,290.84 = 68,882,433.79 : x - Step 2: Convert to fraction form
80,026,972.99/110,376,290.84 = 68,882,433.79/x - Step 3: Cross multiply
80,026,972.99x = 110,376,290.84 × 68,882,433.79 - Step 4: Simplify right side
80,026,972.99x = 7,602,987,545,429,607 - Step 5: Solve for x
x = 7,602,987,545,429,607/80,026,972.99 - Step 6: Final answer
x = 95,005,312.10
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1.5x scale
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.