Finding the Fourth Proportional to 84,516,122.60, 126,801,393.42 and 38,474,465.48
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Solution
The fourth proportional to 84,516,122.60, 126,801,393.42 and 38,474,465.48 is: 57,724,084.87
Step by Step Solution
- Step 1: Write the proportion equation
84,516,122.60 : 126,801,393.42 = 38,474,465.48 : x - Step 2: Convert to fraction form
84,516,122.60/126,801,393.42 = 38,474,465.48/x - Step 3: Cross multiply
84,516,122.60x = 126,801,393.42 × 38,474,465.48 - Step 4: Simplify right side
84,516,122.60x = 4,878,615,833,953,689 - Step 5: Solve for x
x = 4,878,615,833,953,689/84,516,122.60 - Step 6: Final answer
x = 57,724,084.87
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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.