Finding the Fourth Proportional to 207,187,251.96, 285,925,174.83 and 113,106,415.35
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Solution
The fourth proportional to 207,187,251.96, 285,925,174.83 and 113,106,415.35 is: 156,090,547.45
Step by Step Solution
- Step 1: Write the proportion equation
207,187,251.96 : 285,925,174.83 = 113,106,415.35 : x - Step 2: Convert to fraction form
207,187,251.96/285,925,174.83 = 113,106,415.35/x - Step 3: Cross multiply
207,187,251.96x = 285,925,174.83 × 113,106,415.35 - Step 4: Simplify right side
207,187,251.96x = 32,339,971,583,343,344 - Step 5: Solve for x
x = 32,339,971,583,343,344/207,187,251.96 - Step 6: Final answer
x = 156,090,547.45
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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.