Finding the Fourth Proportional to 235,553,961.50, 324,852,853.70 and 147,455,990.48
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Solution
The fourth proportional to 235,553,961.50, 324,852,853.70 and 147,455,990.48 is: 203,356,797.72
Step by Step Solution
- Step 1: Write the proportion equation
235,553,961.50 : 324,852,853.70 = 147,455,990.48 : x - Step 2: Convert to fraction form
235,553,961.50/324,852,853.70 = 147,455,990.48/x - Step 3: Cross multiply
235,553,961.50x = 324,852,853.70 × 147,455,990.48 - Step 4: Simplify right side
235,553,961.50x = 47,901,499,300,226,488 - Step 5: Solve for x
x = 47,901,499,300,226,488/235,553,961.50 - Step 6: Final answer
x = 203,356,797.72
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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.