Finding the Fourth Proportional to 105,192,493.70, 157,788,740.55 and 101,161,415.30
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Solution
The fourth proportional to 105,192,493.70, 157,788,740.55 and 101,161,415.30 is: 151,742,122.95
Step by Step Solution
- Step 1: Write the proportion equation
105,192,493.70 : 157,788,740.55 = 101,161,415.30 : x - Step 2: Convert to fraction form
105,192,493.70/157,788,740.55 = 101,161,415.30/x - Step 3: Cross multiply
105,192,493.70x = 157,788,740.55 × 101,161,415.30 - Step 4: Simplify right side
105,192,493.70x = 15,962,132,312,442,502 - Step 5: Solve for x
x = 15,962,132,312,442,502/105,192,493.70 - Step 6: Final answer
x = 151,742,122.95
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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.