Finding the Fourth Proportional to 73,390,172.10, 110,085,258.15 and 49,203,701.70
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Solution
The fourth proportional to 73,390,172.10, 110,085,258.15 and 49,203,701.70 is: 73,805,552.55
Step by Step Solution
- Step 1: Write the proportion equation
73,390,172.10 : 110,085,258.15 = 49,203,701.70 : x - Step 2: Convert to fraction form
73,390,172.10/110,085,258.15 = 49,203,701.70/x - Step 3: Cross multiply
73,390,172.10x = 110,085,258.15 × 49,203,701.70 - Step 4: Simplify right side
73,390,172.10x = 5,416,602,203,580,094 - Step 5: Solve for x
x = 5,416,602,203,580,094/73,390,172.10 - Step 6: Final answer
x = 73,805,552.55
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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.