Finding the Fourth Proportional to 107,423,302.99, 161,020,231.99 and 61,265,783.65
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Solution
The fourth proportional to 107,423,302.99, 161,020,231.99 and 61,265,783.65 is: 91,833,246.81
Step by Step Solution
- Step 1: Write the proportion equation
107,423,302.99 : 161,020,231.99 = 61,265,783.65 : x - Step 2: Convert to fraction form
107,423,302.99/161,020,231.99 = 61,265,783.65/x - Step 3: Cross multiply
107,423,302.99x = 161,020,231.99 × 61,265,783.65 - Step 4: Simplify right side
107,423,302.99x = 9,865,030,696,372,150 - Step 5: Solve for x
x = 9,865,030,696,372,150/107,423,302.99 - Step 6: Final answer
x = 91,833,246.81
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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.