Finding the Fourth Proportional to 93,312,114.40, 139,968,171.60 and 84,383,905.60
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Solution
The fourth proportional to 93,312,114.40, 139,968,171.60 and 84,383,905.60 is: 126,575,858.40
Step by Step Solution
- Step 1: Write the proportion equation
93,312,114.40 : 139,968,171.60 = 84,383,905.60 : x - Step 2: Convert to fraction form
93,312,114.40/139,968,171.60 = 84,383,905.60/x - Step 3: Cross multiply
93,312,114.40x = 139,968,171.60 × 84,383,905.60 - Step 4: Simplify right side
93,312,114.40x = 11,811,060,979,299,000 - Step 5: Solve for x
x = 11,811,060,979,299,000/93,312,114.40 - Step 6: Final answer
x = 126,575,858.40
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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.