Finding the Fourth Proportional to 68,241,756.76, 102,403,083.70 and 25,141,202.75
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Solution
The fourth proportional to 68,241,756.76, 102,403,083.70 and 25,141,202.75 is: 37,726,705.94
Step by Step Solution
- Step 1: Write the proportion equation
68,241,756.76 : 102,403,083.70 = 25,141,202.75 : x - Step 2: Convert to fraction form
68,241,756.76/102,403,083.70 = 25,141,202.75/x - Step 3: Cross multiply
68,241,756.76x = 102,403,083.70 × 25,141,202.75 - Step 4: Simplify right side
68,241,756.76x = 2,574,536,689,814,354.50 - Step 5: Solve for x
x = 2,574,536,689,814,354.50/68,241,756.76 - Step 6: Final answer
x = 37,726,705.94
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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.