Finding the Fourth Proportional to 86,576,687.76, 119,477,763.16 and 49,406,228.12
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Solution
The fourth proportional to 86,576,687.76, 119,477,763.16 and 49,406,228.12 is: 68,181,698.50
Step by Step Solution
- Step 1: Write the proportion equation
86,576,687.76 : 119,477,763.16 = 49,406,228.12 : x - Step 2: Convert to fraction form
86,576,687.76/119,477,763.16 = 49,406,228.12/x - Step 3: Cross multiply
86,576,687.76x = 119,477,763.16 × 49,406,228.12 - Step 4: Simplify right side
86,576,687.76x = 5,902,945,621,950,292 - Step 5: Solve for x
x = 5,902,945,621,950,292/86,576,687.76 - Step 6: Final answer
x = 68,181,698.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.