Finding the Fourth Proportional to 122,141,554.20, 183,238,903.35 and 40,246,496.10
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Solution
The fourth proportional to 122,141,554.20, 183,238,903.35 and 40,246,496.10 is: 60,378,499.83
Step by Step Solution
- Step 1: Write the proportion equation
122,141,554.20 : 183,238,903.35 = 40,246,496.10 : x - Step 2: Convert to fraction form
122,141,554.20/183,238,903.35 = 40,246,496.10/x - Step 3: Cross multiply
122,141,554.20x = 183,238,903.35 × 40,246,496.10 - Step 4: Simplify right side
122,141,554.20x = 7,374,723,809,044,052 - Step 5: Solve for x
x = 7,374,723,809,044,052/122,141,554.20 - Step 6: Final answer
x = 60,378,499.83
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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.