Finding the Fourth Proportional to 159,433,492.80, 239,150,239.20 and 145,828,603.20
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Solution
The fourth proportional to 159,433,492.80, 239,150,239.20 and 145,828,603.20 is: 218,742,904.80
Step by Step Solution
- Step 1: Write the proportion equation
159,433,492.80 : 239,150,239.20 = 145,828,603.20 : x - Step 2: Convert to fraction form
159,433,492.80/239,150,239.20 = 145,828,603.20/x - Step 3: Cross multiply
159,433,492.80x = 239,150,239.20 × 145,828,603.20 - Step 4: Simplify right side
159,433,492.80x = 34,874,945,337,481,880 - Step 5: Solve for x
x = 34,874,945,337,481,880/159,433,492.80 - Step 6: Final answer
x = 218,742,904.80
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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.