Finding the Fourth Proportional to 125,315,974.92, 188,012,459.03 and 59,820,693.99
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Solution
The fourth proportional to 125,315,974.92, 188,012,459.03 and 59,820,693.99 is: 89,749,417.70
Step by Step Solution
- Step 1: Write the proportion equation
125,315,974.92 : 188,012,459.03 = 59,820,693.99 : x - Step 2: Convert to fraction form
125,315,974.92/188,012,459.03 = 59,820,693.99/x - Step 3: Cross multiply
125,315,974.92x = 188,012,459.03 × 59,820,693.99 - Step 4: Simplify right side
125,315,974.92x = 11,247,035,777,641,940 - Step 5: Solve for x
x = 11,247,035,777,641,940/125,315,974.92 - Step 6: Final answer
x = 89,749,417.70
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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.