Finding the Fourth Proportional to 220,664,254.98, 304,516,670.73 and 127,898,571.23
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Solution
The fourth proportional to 220,664,254.98, 304,516,670.73 and 127,898,571.23 is: 176,500,027.64
Step by Step Solution
- Step 1: Write the proportion equation
220,664,254.98 : 304,516,670.73 = 127,898,571.23 : x - Step 2: Convert to fraction form
220,664,254.98/304,516,670.73 = 127,898,571.23/x - Step 3: Cross multiply
220,664,254.98x = 304,516,670.73 × 127,898,571.23 - Step 4: Simplify right side
220,664,254.98x = 38,947,247,102,083,368 - Step 5: Solve for x
x = 38,947,247,102,083,368/220,664,254.98 - Step 6: Final answer
x = 176,500,027.64
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1.5x scale
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.