Finding the Fourth Proportional to 93,312,118.30, 139,968,177.45 and 92,745,247.90
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Solution
The fourth proportional to 93,312,118.30, 139,968,177.45 and 92,745,247.90 is: 139,117,871.85
Step by Step Solution
- Step 1: Write the proportion equation
93,312,118.30 : 139,968,177.45 = 92,745,247.90 : x - Step 2: Convert to fraction form
93,312,118.30/139,968,177.45 = 92,745,247.90/x - Step 3: Cross multiply
93,312,118.30x = 139,968,177.45 × 92,745,247.90 - Step 4: Simplify right side
93,312,118.30x = 12,981,383,315,711,440 - Step 5: Solve for x
x = 12,981,383,315,711,440/93,312,118.30 - Step 6: Final answer
x = 139,117,871.85
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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.