Finding the Fourth Proportional to 78,804,911.06, 118,207,366.58 and 48,571,823.06
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Solution
The fourth proportional to 78,804,911.06, 118,207,366.58 and 48,571,823.06 is: 72,857,734.58
Step by Step Solution
- Step 1: Write the proportion equation
78,804,911.06 : 118,207,366.58 = 48,571,823.06 : x - Step 2: Convert to fraction form
78,804,911.06/118,207,366.58 = 48,571,823.06/x - Step 3: Cross multiply
78,804,911.06x = 118,207,366.58 × 48,571,823.06 - Step 4: Simplify right side
78,804,911.06x = 5,741,547,293,912,318 - Step 5: Solve for x
x = 5,741,547,293,912,318/78,804,911.06 - Step 6: Final answer
x = 72,857,734.58
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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.