Finding the Fourth Proportional to 50,266,542.24, 69,368,106.48 and 28,240,970.40
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Solution
The fourth proportional to 50,266,542.24, 69,368,106.48 and 28,240,970.40 is: 38,972,695.45
Step by Step Solution
- Step 1: Write the proportion equation
50,266,542.24 : 69,368,106.48 = 28,240,970.40 : x - Step 2: Convert to fraction form
50,266,542.24/69,368,106.48 = 28,240,970.40/x - Step 3: Cross multiply
50,266,542.24x = 69,368,106.48 × 28,240,970.40 - Step 4: Simplify right side
50,266,542.24x = 1,959,022,641,805,728.25 - Step 5: Solve for x
x = 1,959,022,641,805,728.25/50,266,542.24 - Step 6: Final answer
x = 38,972,695.45
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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.