Finding the Fourth Proportional to 69,769,318.55, 96,281,660.88 and 38,836,795.14
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Solution
The fourth proportional to 69,769,318.55, 96,281,660.88 and 38,836,795.14 is: 53,594,778.01
Step by Step Solution
- Step 1: Write the proportion equation
69,769,318.55 : 96,281,660.88 = 38,836,795.14 : x - Step 2: Convert to fraction form
69,769,318.55/96,281,660.88 = 38,836,795.14/x - Step 3: Cross multiply
69,769,318.55x = 96,281,660.88 × 38,836,795.14 - Step 4: Simplify right side
69,769,318.55x = 3,739,271,139,335,512 - Step 5: Solve for x
x = 3,739,271,139,335,512/69,769,318.55 - Step 6: Final answer
x = 53,594,778.01
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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.