Finding the Fourth Proportional to 177,147,686.70, 265,721,530.05 and 121,665,246.30
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Solution
The fourth proportional to 177,147,686.70, 265,721,530.05 and 121,665,246.30 is: 182,497,869.45
Step by Step Solution
- Step 1: Write the proportion equation
177,147,686.70 : 265,721,530.05 = 121,665,246.30 : x - Step 2: Convert to fraction form
177,147,686.70/265,721,530.05 = 121,665,246.30/x - Step 3: Cross multiply
177,147,686.70x = 265,721,530.05 × 121,665,246.30 - Step 4: Simplify right side
177,147,686.70x = 32,329,075,400,746,100 - Step 5: Solve for x
x = 32,329,075,400,746,100/177,147,686.70 - Step 6: Final answer
x = 182,497,869.45
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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.