Finding the Fourth Proportional to 93,312,102.30, 139,968,153.45 and 87,638,732.70
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Solution
The fourth proportional to 93,312,102.30, 139,968,153.45 and 87,638,732.70 is: 131,458,099.05
Step by Step Solution
- Step 1: Write the proportion equation
93,312,102.30 : 139,968,153.45 = 87,638,732.70 : x - Step 2: Convert to fraction form
93,312,102.30/139,968,153.45 = 87,638,732.70/x - Step 3: Cross multiply
93,312,102.30x = 139,968,153.45 × 87,638,732.70 - Step 4: Simplify right side
93,312,102.30x = 12,266,631,586,717,132 - Step 5: Solve for x
x = 12,266,631,586,717,132/93,312,102.30 - Step 6: Final answer
x = 131,458,099.05
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1.5x scale
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.