Finding the Fourth Proportional to 146,888,045.70, 220,013,203.95 and 121,378,877.70
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Solution
The fourth proportional to 146,888,045.70, 220,013,203.95 and 121,378,877.70 is: 181,804,827.26
Step by Step Solution
- Step 1: Write the proportion equation
146,888,045.70 : 220,013,203.95 = 121,378,877.70 : x - Step 2: Convert to fraction form
146,888,045.70/220,013,203.95 = 121,378,877.70/x - Step 3: Cross multiply
146,888,045.70x = 220,013,203.95 × 121,378,877.70 - Step 4: Simplify right side
146,888,045.70x = 26,704,955,774,632,208 - Step 5: Solve for x
x = 26,704,955,774,632,208/146,888,045.70 - Step 6: Final answer
x = 181,804,827.26
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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.