Finding the Fourth Proportional to 70,900,601.80, 106,368,817.76 and 19,782,589
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Solution
The fourth proportional to 70,900,601.80, 106,368,817.76 and 19,782,589 is: 29,678,882.14
Step by Step Solution
- Step 1: Write the proportion equation
70,900,601.80 : 106,368,817.76 = 19,782,589 : x - Step 2: Convert to fraction form
70,900,601.80/106,368,817.76 = 19,782,589/x - Step 3: Cross multiply
70,900,601.80x = 106,368,817.76 × 19,782,589 - Step 4: Simplify right side
70,900,601.80x = 2,104,250,604,161,980.75 - Step 5: Solve for x
x = 2,104,250,604,161,980.75/70,900,601.80 - Step 6: Final answer
x = 29,678,882.14
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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.