Finding the Fourth Proportional to 83,184,842.84, 124,838,556.42 and 39,465,760.28
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Solution
The fourth proportional to 83,184,842.84, 124,838,556.42 and 39,465,760.28 is: 59,227,719.54
Step by Step Solution
- Step 1: Write the proportion equation
83,184,842.84 : 124,838,556.42 = 39,465,760.28 : x - Step 2: Convert to fraction form
83,184,842.84/124,838,556.42 = 39,465,760.28/x - Step 3: Cross multiply
83,184,842.84x = 124,838,556.42 × 39,465,760.28 - Step 4: Simplify right side
83,184,842.84x = 4,926,848,541,372,975 - Step 5: Solve for x
x = 4,926,848,541,372,975/83,184,842.84 - Step 6: Final answer
x = 59,227,719.54
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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.