Finding the Fourth Proportional to 205,127,318.70, 307,690,978.05 and 59,560,598.70
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Solution
The fourth proportional to 205,127,318.70, 307,690,978.05 and 59,560,598.70 is: 89,340,898.05
Step by Step Solution
- Step 1: Write the proportion equation
205,127,318.70 : 307,690,978.05 = 59,560,598.70 : x - Step 2: Convert to fraction form
205,127,318.70/307,690,978.05 = 59,560,598.70/x - Step 3: Cross multiply
205,127,318.70x = 307,690,978.05 × 59,560,598.70 - Step 4: Simplify right side
205,127,318.70x = 18,326,258,867,246,560 - Step 5: Solve for x
x = 18,326,258,867,246,560/205,127,318.70 - Step 6: Final answer
x = 89,340,898.05
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1.5x scale
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.