Finding the Fourth Proportional to 93,409,310.92, 128,905,076.96 and 52,157,679.52
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Solution
The fourth proportional to 93,409,310.92, 128,905,076.96 and 52,157,679.52 is: 71,977,724.99
Step by Step Solution
- Step 1: Write the proportion equation
93,409,310.92 : 128,905,076.96 = 52,157,679.52 : x - Step 2: Convert to fraction form
93,409,310.92/128,905,076.96 = 52,157,679.52/x - Step 3: Cross multiply
93,409,310.92x = 128,905,076.96 × 52,157,679.52 - Step 4: Simplify right side
93,409,310.92x = 6,723,389,692,580,616 - Step 5: Solve for x
x = 6,723,389,692,580,616/93,409,310.92 - Step 6: Final answer
x = 71,977,724.99
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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.