Finding the Fourth Proportional to 68,667,467.40, 103,001,201.10 and 61,102,974.60
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Solution
The fourth proportional to 68,667,467.40, 103,001,201.10 and 61,102,974.60 is: 91,654,461.90
Step by Step Solution
- Step 1: Write the proportion equation
68,667,467.40 : 103,001,201.10 = 61,102,974.60 : x - Step 2: Convert to fraction form
68,667,467.40/103,001,201.10 = 61,102,974.60/x - Step 3: Cross multiply
68,667,467.40x = 103,001,201.10 × 61,102,974.60 - Step 4: Simplify right side
68,667,467.40x = 6,293,679,774,582,792 - Step 5: Solve for x
x = 6,293,679,774,582,792/68,667,467.40 - Step 6: Final answer
x = 91,654,461.90
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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.