Finding the Fourth Proportional to 63,128,121.20, 94,692,181.80 and 59,620,610.60
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Solution
The fourth proportional to 63,128,121.20, 94,692,181.80 and 59,620,610.60 is: 89,430,915.90
Step by Step Solution
- Step 1: Write the proportion equation
63,128,121.20 : 94,692,181.80 = 59,620,610.60 : x - Step 2: Convert to fraction form
63,128,121.20/94,692,181.80 = 59,620,610.60/x - Step 3: Cross multiply
63,128,121.20x = 94,692,181.80 × 59,620,610.60 - Step 4: Simplify right side
63,128,121.20x = 5,645,605,697,962,207 - Step 5: Solve for x
x = 5,645,605,697,962,207/63,128,121.20 - Step 6: Final answer
x = 89,430,915.90
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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.