Finding the Fourth Proportional to 86,692,795.65, 119,653,438.36 and 51,430,173.74
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Solution
The fourth proportional to 86,692,795.65, 119,653,438.36 and 51,430,173.74 is: 70,983,950.60
Step by Step Solution
- Step 1: Write the proportion equation
86,692,795.65 : 119,653,438.36 = 51,430,173.74 : x - Step 2: Convert to fraction form
86,692,795.65/119,653,438.36 = 51,430,173.74/x - Step 3: Cross multiply
86,692,795.65x = 119,653,438.36 × 51,430,173.74 - Step 4: Simplify right side
86,692,795.65x = 6,153,797,123,443,181 - Step 5: Solve for x
x = 6,153,797,123,443,181/86,692,795.65 - Step 6: Final answer
x = 70,983,950.60
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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.