Finding the Fourth Proportional to 136,630,837.65, 204,620,460.54 and 87,291,476.94
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Solution
The fourth proportional to 136,630,837.65, 204,620,460.54 and 87,291,476.94 is: 130,729,069.07
Step by Step Solution
- Step 1: Write the proportion equation
136,630,837.65 : 204,620,460.54 = 87,291,476.94 : x - Step 2: Convert to fraction form
136,630,837.65/204,620,460.54 = 87,291,476.94/x - Step 3: Cross multiply
136,630,837.65x = 204,620,460.54 × 87,291,476.94 - Step 4: Simplify right side
136,630,837.65x = 17,861,622,212,679,588 - Step 5: Solve for x
x = 17,861,622,212,679,588/136,630,837.65 - Step 6: Final answer
x = 130,729,069.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.