Finding the Fourth Proportional to 222,671,724.08, 307,272,972.76 and 134,513,535.36
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Solution
The fourth proportional to 222,671,724.08, 307,272,972.76 and 134,513,535.36 is: 185,620,217.64
Step by Step Solution
- Step 1: Write the proportion equation
222,671,724.08 : 307,272,972.76 = 134,513,535.36 : x - Step 2: Convert to fraction form
222,671,724.08/307,272,972.76 = 134,513,535.36/x - Step 3: Cross multiply
222,671,724.08x = 307,272,972.76 × 134,513,535.36 - Step 4: Simplify right side
222,671,724.08x = 41,332,373,886,524,576 - Step 5: Solve for x
x = 41,332,373,886,524,576/222,671,724.08 - Step 6: Final answer
x = 185,620,217.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.