Finding the Fourth Proportional to 122,326,825.45, 183,490,238.18 and 117,623,900.65
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Solution
The fourth proportional to 122,326,825.45, 183,490,238.18 and 117,623,900.65 is: 176,435,850.98
Step by Step Solution
- Step 1: Write the proportion equation
122,326,825.45 : 183,490,238.18 = 117,623,900.65 : x - Step 2: Convert to fraction form
122,326,825.45/183,490,238.18 = 117,623,900.65/x - Step 3: Cross multiply
122,326,825.45x = 183,490,238.18 × 117,623,900.65 - Step 4: Simplify right side
122,326,825.45x = 21,582,837,545,341,040 - Step 5: Solve for x
x = 21,582,837,545,341,040/122,326,825.45 - Step 6: Final answer
x = 176,435,850.98
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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.