Finding the Fourth Proportional to 124,578,125.10, 186,867,187.65 and 124,578,125.10
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Solution
The fourth proportional to 124,578,125.10, 186,867,187.65 and 124,578,125.10 is: 186,867,187.65
Step by Step Solution
- Step 1: Write the proportion equation
124,578,125.10 : 186,867,187.65 = 124,578,125.10 : x - Step 2: Convert to fraction form
124,578,125.10/186,867,187.65 = 124,578,125.10/x - Step 3: Cross multiply
124,578,125.10x = 186,867,187.65 × 124,578,125.10 - Step 4: Simplify right side
124,578,125.10x = 23,279,563,880,146,876 - Step 5: Solve for x
x = 23,279,563,880,146,876/124,578,125.10 - Step 6: Final answer
x = 186,867,187.65
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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.