Finding the Fourth Proportional to 124,808,421.70, 186,876,709.35 and 124,808,421.70
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Solution
The fourth proportional to 124,808,421.70, 186,876,709.35 and 124,808,421.70 is: 186,876,709.35
Step by Step Solution
- Step 1: Write the proportion equation
124,808,421.70 : 186,876,709.35 = 124,808,421.70 : x - Step 2: Convert to fraction form
124,808,421.70/186,876,709.35 = 124,808,421.70/x - Step 3: Cross multiply
124,808,421.70x = 186,876,709.35 × 124,808,421.70 - Step 4: Simplify right side
124,808,421.70x = 23,323,787,146,463,132 - Step 5: Solve for x
x = 23,323,787,146,463,132/124,808,421.70 - Step 6: Final answer
x = 186,876,709.35
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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.