Finding the Fourth Proportional to 159,894,564.30, 239,841,846.45 and 148,415,438.70
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Solution
The fourth proportional to 159,894,564.30, 239,841,846.45 and 148,415,438.70 is: 222,623,158.05
Step by Step Solution
- Step 1: Write the proportion equation
159,894,564.30 : 239,841,846.45 = 148,415,438.70 : x - Step 2: Convert to fraction form
159,894,564.30/239,841,846.45 = 148,415,438.70/x - Step 3: Cross multiply
159,894,564.30x = 239,841,846.45 × 148,415,438.70 - Step 4: Simplify right side
159,894,564.30x = 35,596,232,859,494,784 - Step 5: Solve for x
x = 35,596,232,859,494,784/159,894,564.30 - Step 6: Final answer
x = 222,623,158.05
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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.