Finding the Fourth Proportional to 307,207,553.81, 460,811,774.23 and 125,454,731.81
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Solution
The fourth proportional to 307,207,553.81, 460,811,774.23 and 125,454,731.81 is: 188,182,278.83
Step by Step Solution
- Step 1: Write the proportion equation
307,207,553.81 : 460,811,774.23 = 125,454,731.81 : x - Step 2: Convert to fraction form
307,207,553.81/460,811,774.23 = 125,454,731.81/x - Step 3: Cross multiply
307,207,553.81x = 460,811,774.23 × 125,454,731.81 - Step 4: Simplify right side
307,207,553.81x = 57,811,017,551,753,312 - Step 5: Solve for x
x = 57,811,017,551,753,312/307,207,553.81 - Step 6: Final answer
x = 188,182,278.83
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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.